Guest guest Posted April 3, 2012 Report Share Posted April 3, 2012 is it lignocaine or articaine toxic at 4%thank you Quote Link to comment Share on other sites More sharing options...
Guest guest Posted April 4, 2012 Report Share Posted April 4, 2012 Hi everyone.Could someone please answer this. I'd love to know because I find it so confusing. I know articaine is meant to be neuro toxic. But the question's about which LA is toxic at 4% and thats the normal concentration for articaine .So is it toxic even at 4% which is its normal dose?Please do let me know.ThanksMyra From: Farah Hasan <farahghassanhasan@...> " " < > Sent: Wednesday, April 4, 2012 6:58 AM Subject: anasthesia is it lignocaine or articaine toxic at 4%thank you Quote Link to comment Share on other sites More sharing options...
Guest guest Posted April 4, 2012 Report Share Posted April 4, 2012 Articain is neurotoxic if used in idb at 4%Sent from my iPhoneOn 4 Apr 2012, at 10:17, Myra L <myra906@...> wrote: Hi everyone.Could someone please answer this. I'd love to know because I find it so confusing. I know articaine is meant to be neuro toxic. But the question's about which LA is toxic at 4% and thats the normal concentration for articaine .So is it toxic even at 4% which is its normal dose?Please do let me know.ThanksMyra From: Farah Hasan <farahghassanhasan@...> " " < > Sent: Wednesday, April 4, 2012 6:58 AM Subject: anasthesia is it lignocaine or articaine toxic at 4%thank you = Quote Link to comment Share on other sites More sharing options...
Guest guest Posted April 4, 2012 Report Share Posted April 4, 2012 Hi seethalmarkSo your saying its articaine and not lignocaine which is toxic at 4 % ?Thanks for the answer. would you mind telling me where you read it? From: Seethalmark <seethalmark@...> " " < > Sent: Wednesday, April 4, 2012 10:51 AM Subject: Re: anasthesia Articain is neurotoxic if used in idb at 4%Sent from my iPhoneOn 4 Apr 2012, at 10:17, Myra L <myra906@...> wrote: Hi everyone.Could someone please answer this. I'd love to know because I find it so confusing. I know articaine is meant to be neuro toxic. But the question's about which LA is toxic at 4% and thats the normal concentration for articaine .So is it toxic even at 4% which is its normal dose?Please do let me know.ThanksMyra From: Farah Hasan <farahghassanhasan@...> " " < > Sent: Wednesday, April 4, 2012 6:58 AM Subject: anasthesia is it lignocaine or articaine toxic at 4%thank you = Quote Link to comment Share on other sites More sharing options...
Guest guest Posted April 4, 2012 Report Share Posted April 4, 2012 Not really sure think scullySent from my iPhoneOn 4 Apr 2012, at 11:00, Myra L <myra906@...> wrote: Hi seethalmarkSo your saying its articaine and not lignocaine which is toxic at 4 % ?Thanks for the answer. would you mind telling me where you read it? From: Seethalmark <seethalmark@...> " " < > Sent: Wednesday, April 4, 2012 10:51 AM Subject: Re: anasthesia Articain is neurotoxic if used in idb at 4%Sent from my iPhoneOn 4 Apr 2012, at 10:17, Myra L <myra906@...> wrote: Hi everyone.Could someone please answer this. I'd love to know because I find it so confusing. I know articaine is meant to be neuro toxic. But the question's about which LA is toxic at 4% and thats the normal concentration for articaine .So is it toxic even at 4% which is its normal dose?Please do let me know.ThanksMyra From: Farah Hasan <farahghassanhasan@...> " " < > Sent: Wednesday, April 4, 2012 6:58 AM Subject: anasthesia is it lignocaine or articaine toxic at 4%thank you = Quote Link to comment Share on other sites More sharing options...
Guest guest Posted April 4, 2012 Report Share Posted April 4, 2012 dear Ebtessam, sorry but can u explain this again " In a 20% lidocain means there is 1ml= 20 mg that`s because: 20% lidocain means 2gm per 100 ml of solution that`s equal to 2000 mg per 100 ml ( remove the zeros) 20 mg per 1 ml " where is this 20% mentioned and 20% will mean 20 gms in 100 gms or 20 mg in 100mg of solution... how can it mean 2gm in 100 ml? sorry but please explain. my exam dates have come... 17th and 18th ... am in cohort 1, what about you? thanks rajiv. > > hi farah > > since the maximum dose allowed is 4.4mg/kg of lidocain 1:80 000 > 1. 7 x 125= 875 mg ( but remember you must never exceed the maximum dose that is 500 mg, no matter what the weight of the patient) so you will use 500 mg in the second equation > if the patient weight was 70 then its 7mg x 70kg = 490 mg since its below 500 maximum dose you will us it in the second equation. > > > In a 20% lidocain means there is 1ml= 20 mg that`s because: > 20% lidocain means 2gm per 100 ml of solution that`s equal to >                                2000 mg per 100 ml ( remove the zeros) >                                20 mg per 1 ml > > > 2. then do a cross multiplication if: > 1ml= 20mg then > x ml = 500 mg > > that equals to= 25 > > from the available options 24 is the closest you can`t give 26 ml or u will be exceeding the maximum dose. > > so there are some points u need to memorize > > 2% plain lidocaine maximum dose is 4.4mg/kg    maximum is 300 mg > 2% lidocaine with 1:80 000 epinephrine 7mg/kg    maximum is 500 mg > 3% prilocaine 6 mg/kg maximum is 400 mg > 4% prilocaine 6  mg/kg maximum is 400 mg > 4% Articaine 7 mg/kg maximum is 440 mg > Reference ( scully and master 1) > > > please guys correct me if I am wrong > > Best regards > Ebtisam > > > > ________________________________ > From: Farah Hasan <farahghassanhasan@...> > " " < > > Sent: Sunday, 5 February 2012, 17:04 > Subject: Re: anasthesia > > >  > thank u verymuch , can you help me and explain how we should calculate it > please > > From: " dr_ashish_pandit@... " <dr_ashish_pandit@...> > < > > Sent: Sunday, February 5, 2012 5:54 PM > Subject: Re: anasthesia > > >  > Its 24 ml > -ashish. > Sent on my BlackBerry® from Vodafone > From: Farah Hasan <farahghassanhasan@...> > Sender: > Date: Sun, 5 Feb 2012 16:39:03 +0000 (GMT) > < > > Reply > Subject: anasthesia >  > ore question > howmany ml of lignocaine 2% 1/80000 can injected to 125 kilogram person? 24 ,26 ,27 ,30 >  > Quote Link to comment Share on other sites More sharing options...
Guest guest Posted April 4, 2012 Report Share Posted April 4, 2012 helo ebtisam i did not understand where u go 1.7 x 125 from which data?? we r supposed to get the answer form the information given which is how many ml of lignocaine 2% 1/80000 can injected to 125 kilogram person? sorry to trouble you but u can reexplain it please thanks > > > > hi farah > > > > since the maximum dose allowed is 4.4mg/kg of lidocain 1:80 000 > > 1. 7 x 125= 875 mg ( but remember you must never exceed the maximum dose that is 500 mg, no matter what the weight of the patient) so you will use 500 mg in the second equation > > if the patient weight was 70 then its 7mg x 70kg = 490 mg since its below 500 maximum dose you will us it in the second equation. > > > > > > In a 20% lidocain means there is 1ml= 20 mg that`s because: > > 20% lidocain means 2gm per 100 ml of solution that`s equal to > >                                2000 mg per 100 ml ( remove the zeros) > >                                20 mg per 1 ml > > > > > > 2. then do a cross multiplication if: > > 1ml= 20mg then > > x ml = 500 mg > > > > that equals to= 25 > > > > from the available options 24 is the closest you can`t give 26 ml or u will be exceeding the maximum dose. > > > > so there are some points u need to memorize > > > > 2% plain lidocaine maximum dose is 4.4mg/kg    maximum is 300 mg > > 2% lidocaine with 1:80 000 epinephrine 7mg/kg    maximum is 500 mg > > 3% prilocaine 6 mg/kg maximum is 400 mg > > 4% prilocaine 6  mg/kg maximum is 400 mg > > 4% Articaine 7 mg/kg maximum is 440 mg > > Reference ( scully and master 1) > > > > > > please guys correct me if I am wrong > > > > Best regards > > Ebtisam > > > > > > > > ________________________________ > > From: Farah Hasan <farahghassanhasan@> > > " " < > > > Sent: Sunday, 5 February 2012, 17:04 > > Subject: Re: anasthesia > > > > > >  > > thank u verymuch , can you help me and explain how we should calculate it > > please > > > > From: " dr_ashish_pandit@ " <dr_ashish_pandit@> > > < > > > Sent: Sunday, February 5, 2012 5:54 PM > > Subject: Re: anasthesia > > > > > >  > > Its 24 ml > > -ashish. > > Sent on my BlackBerry® from Vodafone > > From: Farah Hasan <farahghassanhasan@> > > Sender: > > Date: Sun, 5 Feb 2012 16:39:03 +0000 (GMT) > > < > > > Reply > > Subject: anasthesia > >  > > ore question > > howmany ml of lignocaine 2% 1/80000 can injected to 125 kilogram person? 24 ,26 ,27 ,30 > >  > > > Quote Link to comment Share on other sites More sharing options...
Guest guest Posted April 4, 2012 Report Share Posted April 4, 2012 Thanks, appreciate that From: Seethalmark <seethalmark@...> " " < > Sent: Wednesday, April 4, 2012 11:10 AM Subject: Re: anasthesia Not really sure think scullySent from my iPhoneOn 4 Apr 2012, at 11:00, Myra L <myra906@...> wrote: Hi seethalmarkSo your saying its articaine and not lignocaine which is toxic at 4 % ?Thanks for the answer. would you mind telling me where you read it? From: Seethalmark <seethalmark@...> " " < > Sent: Wednesday, April 4, 2012 10:51 AM Subject: Re: anasthesia Articain is neurotoxic if used in idb at 4%Sent from my iPhoneOn 4 Apr 2012, at 10:17, Myra L <myra906@...> wrote: Hi everyone.Could someone please answer this. I'd love to know because I find it so confusing. I know articaine is meant to be neuro toxic. But the question's about which LA is toxic at 4% and thats the normal concentration for articaine .So is it toxic even at 4% which is its normal dose?Please do let me know.ThanksMyra From: Farah Hasan <farahghassanhasan@...> " " < > Sent: Wednesday, April 4, 2012 6:58 AM Subject: anasthesia is it lignocaine or articaine toxic at 4%thank you = Quote Link to comment Share on other sites More sharing options...
Guest guest Posted April 4, 2012 Report Share Posted April 4, 2012 HI THAT`S MENTIONED IN HANDBOOKOF LOCAL ANESTHESIAns its 2% = 2000 mg in 100 ML 1ml= 20 mgfor a 2.2 ml la cartilage contains 44 mgits also given in scully BEST REGARDSEBTISMA From: rkalawade <rajivdent@...> To: Sent: Wednesday, 4 April 2012, 11:21 Subject: Re: anasthesia dear Ebtessam, sorry but can u explain this again " In a 20% lidocain means there is 1ml= 20 mg that`s because: 20% lidocain means 2gm per 100 ml of solution that`s equal to 2000 mg per 100 ml ( remove the zeros) 20 mg per 1 ml" where is this 20% mentioned and 20% will mean 20 gms in 100 gms or 20 mg in 100mg of solution... how can it mean 2gm in 100 ml? sorry but please explain. my exam dates have come... 17th and 18th ... am in cohort 1, what about you? thanks rajiv. > > hi farah > > since the maximum dose allowed is 4.4mg/kg of lidocain 1:80 000 > 1. 7 x 125= 875 mg ( but remember you must never exceed the maximum dose that is 500 mg, no matter what the weight of the patient) so you will use 500 mg in the second equation > if the patient weight was 70 then its 7mg x 70kg = 490 mg since its below 500 maximum dose you will us it in the second equation. > > > In a 20% lidocain means there is 1ml= 20 mg that`s because: > 20% lidocain means 2gm per 100 ml of solution that`s equal to >                                2000 mg per 100 ml ( remove the zeros) >                                20 mg per 1 ml > > > 2. then do a cross multiplication if: > 1ml= 20mg then > x ml = 500 mg > > that equals to= 25 > > from the available options 24 is the closest you can`t give 26 ml or u will be exceeding the maximum dose. > > so there are some points u need to memorize > > 2% plain lidocaine maximum dose is 4.4mg/kg    maximum is 300 mg > 2% lidocaine with 1:80 000 epinephrine 7mg/kg    maximum is 500 mg > 3% prilocaine 6 mg/kg maximum is 400 mg > 4% prilocaine 6  mg/kg maximum is 400 mg > 4% Articaine 7 mg/kg maximum is 440 mg > Reference ( scully and master 1) > > > please guys correct me if I am wrong > > Best regards > Ebtisam > > > > ________________________________ > From: Farah Hasan <farahghassanhasan@...> > " " < > > Sent: Sunday, 5 February 2012, 17:04 > Subject: Re: anasthesia > > >  > thank u verymuch , can you help me and explain how we should calculate it > please > > From: "dr_ashish_pandit@..." <dr_ashish_pandit@...> > < > > Sent: Sunday, February 5, 2012 5:54 PM > Subject: Re: anasthesia > > >  > Its 24 ml > -ashish. > Sent on my BlackBerry® from Vodafone > From: Farah Hasan <farahghassanhasan@...> > Sender: > Date: Sun, 5 Feb 2012 16:39:03 +0000 (GMT) > < > > Reply > Subject: anasthesia >  > ore question > howmany ml of lignocaine 2% 1/80000 can injected to 125 kilogram person? 24 ,26 ,27 ,30 >  > Quote Link to comment Share on other sites More sharing options...
Guest guest Posted April 4, 2012 Report Share Posted April 4, 2012 From: Myra L <myra906@...> " " < > Sent: Wednesday, 4 April 2012, 11:52 Subject: Re: anasthesia Thanks, appreciate that From: Seethalmark <seethalmark@...> " " < > Sent: Wednesday, April 4, 2012 11:10 AM Subject: Re: anasthesia Not really sure think scullySent from my iPhoneOn 4 Apr 2012, at 11:00, Myra L <myra906@...> wrote: Hi seethalmarkSo your saying its articaine and not lignocaine which is toxic at 4 % ?Thanks for the answer. would you mind telling me where you read it? From: Seethalmark <seethalmark@...> " " < > Sent: Wednesday, April 4, 2012 10:51 AM Subject: Re: anasthesia Articain is neurotoxic if used in idb at 4%Sent from my iPhoneOn 4 Apr 2012, at 10:17, Myra L <myra906@...> wrote: Hi everyone.Could someone please answer this. I'd love to know because I find it so confusing. I know articaine is meant to be neuro toxic. But the question's about which LA is toxic at 4% and thats the normal concentration for articaine .So is it toxic even at 4% which is its normal dose?Please do let me know.ThanksMyra From: Farah Hasan <farahghassanhasan@...> " " < > Sent: Wednesday, April 4, 2012 6:58 AM Subject: anasthesia is it lignocaine or articaine toxic at 4%thank you = Quote Link to comment Share on other sites More sharing options...
Guest guest Posted April 4, 2012 Report Share Posted April 4, 2012 hi manarthis is quite simple u need to memorize the following figures:FOR LIDOCAINE: 4.4mg/Kg maximum dose is 300 mg ( despite the pt weight)for prilocanin 3 and 4%: 6 mg/Kg maximum dose of 400 mg for articaine : 7 mg/Kg maximum is 440 mg{ ACCORDING TO ODELL IT WILL N`T MATTER WHETHER THE LA CONTAINS A VASOCONSTRICTOR OR NOT THAT WILL N`T INCREASE THE LS MAXIMUM DOSE} MEANING THAT THE ABOVE FIGURES ARE TH ONLY ONES U NEED TO MEMORIZELETS TAKE LIDOCAIN 2% AS AN EXAMPLE:a cartilage of 2% means it contains : 20 mg per 1 ml so for a pt of 125 kg the maximum dose for lidocaine is 4.4mg/Kg125 x 4.4 = 550 that`s exceeding the maximum dose so I will give him the maximum of 300 MG BUT I can`t go any higherthat`s 300mg and since each carpule cantainns 44 mg ( 2.2ml x 20 mg)= 44mg300/ 44 = 6.8 of a 2.2ml cartridge best regardsebtisam From: Mannar G <garadahm@...> Sent: Wednesday, 4 April 2012, 11:49 Subject: Re: anasthesia helo ebtisam i did not understand where u go 1.7 x 125 from which data?? we r supposed to get the answer form the information given which is how many ml of lignocaine 2% 1/80000 can injected to 125 kilogram person? sorry to trouble you but u can reexplain it please thanks > > > > hi farah > > > > since the maximum dose allowed is 4.4mg/kg of lidocain 1:80 000 > > 1. 7 x 125= 875 mg ( but remember you must never exceed the maximum dose that is 500 mg, no matter what the weight of the patient) so you will use 500 mg in the second equation > > if the patient weight was 70 then its 7mg x 70kg = 490 mg since its below 500 maximum dose you will us it in the second equation. > > > > > > In a 20% lidocain means there is 1ml= 20 mg that`s because: > > 20% lidocain means 2gm per 100 ml of solution that`s equal to > >                                2000 mg per 100 ml ( remove the zeros) > >                                20 mg per 1 ml > > > > > > 2. then do a cross multiplication if: > > 1ml= 20mg then > > x ml = 500 mg > > > > that equals to= 25 > > > > from the available options 24 is the closest you can`t give 26 ml or u will be exceeding the maximum dose. > > > > so there are some points u need to memorize > > > > 2% plain lidocaine maximum dose is 4.4mg/kg    maximum is 300 mg > > 2% lidocaine with 1:80 000 epinephrine 7mg/kg    maximum is 500 mg > > 3% prilocaine 6 mg/kg maximum is 400 mg > > 4% prilocaine 6  mg/kg maximum is 400 mg > > 4% Articaine 7 mg/kg maximum is 440 mg > > Reference ( scully and master 1) > > > > > > please guys correct me if I am wrong > > > > Best regards > > Ebtisam > > > > > > > > ________________________________ > > From: Farah Hasan <farahghassanhasan@> > > " " < > > > Sent: Sunday, 5 February 2012, 17:04 > > Subject: Re: anasthesia > > > > > >  > > thank u verymuch , can you help me and explain how we should calculate it > > please > > > > From: "dr_ashish_pandit@" <dr_ashish_pandit@> > > < > > > Sent: Sunday, February 5, 2012 5:54 PM > > Subject: Re: anasthesia > > > > > >  > > Its 24 ml > > -ashish. > > Sent on my BlackBerry® from Vodafone > > From: Farah Hasan <farahghassanhasan@> > > Sender: > > Date: Sun, 5 Feb 2012 16:39:03 +0000 (GMT) > > < > > > Reply > > Subject: anasthesia > >  > > ore question > > howmany ml of lignocaine 2% 1/80000 can injected to 125 kilogram person? 24 ,26 ,27 ,30 > >  > > > Quote Link to comment Share on other sites More sharing options...
Guest guest Posted April 6, 2012 Report Share Posted April 6, 2012 How many ml of lignocaine 2 percent 1/80000 can be injected to a 125 kg person. Please explain I am veryuch confused From: Mannar G <garadahm@...>; To: < >; Subject: Re: anasthesia Sent: Wed, Apr 4, 2012 10:49:46 AM helo ebtisam i did not understand where u go 1.7 x 125 from which data?? we r supposed to get the answer form the information given which is how many ml of lignocaine 2% 1/80000 can injected to 125 kilogram person? sorry to trouble you but u can reexplain it please thanks > > > > hi farah > > > > since the maximum dose allowed is 4.4mg/kg of lidocain 1:80 000 > > 1. 7 x 125= 875 mg ( but remember you must never exceed the maximum dose that is 500 mg, no matter what the weight of the patient) so you will use 500 mg in the second equation > > if the patient weight was 70 then its 7mg x 70kg = 490 mg since its below 500 maximum dose you will us it in the second equation. > > > > > > In a 20% lidocain means there is 1ml= 20 mg that`s because: > > 20% lidocain means 2gm per 100 ml of solution that`s equal to > >                                2000 mg per 100 ml ( remove the zeros) > >                                20 mg per 1 ml > > > > > > 2. then do a cross multiplication if: > > 1ml= 20mg then > > x ml = 500 mg > > > > that equals to= 25 > > > > from the available options 24 is the closest you can`t give 26 ml or u will be exceeding the maximum dose. > > > > so there are some points u need to memorize > > > > 2% plain lidocaine maximum dose is 4.4mg/kg    maximum is 300 mg > > 2% lidocaine with 1:80 000 epinephrine 7mg/kg    maximum is 500 mg > > 3% prilocaine 6 mg/kg maximum is 400 mg > > 4% prilocaine 6  mg/kg maximum is 400 mg > > 4% Articaine 7 mg/kg maximum is 440 mg > > Reference ( scully and master 1) > > > > > > please guys correct me if I am wrong > > > > Best regards > > Ebtisam > > > > > > > > ________________________________ > > From: Farah Hasan <farahghassanhasan@> > > " " < > > > Sent: Sunday, 5 February 2012, 17:04 > > Subject: Re: anasthesia > > > > > >  > > thank u verymuch , can you help me and explain how we should calculate it > > please > > > > From: " dr_ashish_pandit@ " <dr_ashish_pandit@> > > < > > > Sent: Sunday, February 5, 2012 5:54 PM > > Subject: Re: anasthesia > > > > > >  > > Its 24 ml > > -ashish. > > Sent on my BlackBerry® from Vodafone > > From: Farah Hasan <farahghassanhasan@> > > Sender: > > Date: Sun, 5 Feb 2012 16:39:03 +0000 (GMT) > > < > > > Reply > > Subject: anasthesia > >  > > ore question > > howmany ml of lignocaine 2% 1/80000 can injected to 125 kilogram person? 24 ,26 ,27 ,30 > >  > > > Quote Link to comment Share on other sites More sharing options...
Guest guest Posted April 6, 2012 Report Share Posted April 6, 2012 Hi Vridi,Lidocain with adrenalin is always safer and hence higher amounts can be administered. Hence, as far as i know, it's 7 mg/kg.For plain lidocaine, the maximum safe dosage is 4.4 mg/kg. From: Gmail <saurabvirdi@...> " " < > Sent: Friday, 6 April 2012 8:24 PM Subject: Re: anasthesia This is Lidocaine 2% WITH 1:80000 adrenaline Max dose is 4.4 mg/kWITHOUT is 7mg/kg So weight x 4.4 = xamount/40= answer4.4 X125= 550mg/40= 13. But 550 is already amountThe max doseSo 300/40= 7.5 cartridgesDr S.S. VirdiOn 6 Apr 2012, at 03:10 PM, ajith kumar <aji_eee@...> wrote: Hi...The maximum safe dose of lidocaine with adrenaline is 7 mg/kg.Therefore, a patient who is 125 Kg= 125X7 =875 mg/kg.A 2% solution translates to 20mg/mL.So the maximum dose here is= 875/20=43.75 ml. i,e, 19 cartridges.This is the calculation I'm aware of....please do correct me if i'm wrong...Ajith From: mahejabin malik <drmahejabin@...> Sent: Friday, 6 April 2012 2:46 PM Subject: Re: anasthesia How many ml of lignocaine 2 percent 1/80000 can be injected to a 125 kg person. Please explain I am veryuch confused From: Mannar G <garadahm@...>; To: < >; Subject: Re: anasthesia Sent: Wed, Apr 4, 2012 10:49:46 AM helo ebtisam i did not understand where u go 1.7 x 125 from which data?? we r supposed to get the answer form the information given which is how many ml of lignocaine 2% 1/80000 can injected to 125 kilogram person? sorry to trouble you but u can reexplain it please thanks > > > > hi farah > > > > since the maximum dose allowed is 4.4mg/kg of lidocain 1:80 000 > > 1. 7 x 125= 875 mg ( but remember you must never exceed the maximum dose that is 500 mg, no matter what the weight of the patient) so you will use 500 mg in the second equation > > if the patient weight was 70 then its 7mg x 70kg = 490 mg since its below 500 maximum dose you will us it in the second equation. > > > > > > In a 20% lidocain means there is 1ml= 20 mg that`s because: > > 20% lidocain means 2gm per 100 ml of solution that`s equal to > >                                2000 mg per 100 ml ( remove the zeros) > >                                20 mg per 1 ml > > > > > > 2. then do a cross multiplication if: > > 1ml= 20mg then > > x ml = 500 mg > > > > that equals to= 25 > > > > from the available options 24 is the closest you can`t give 26 ml or u will be exceeding the maximum dose. > > > > so there are some points u need to memorize > > > > 2% plain lidocaine maximum dose is 4.4mg/kg    maximum is 300 mg > > 2% lidocaine with 1:80 000 epinephrine 7mg/kg    maximum is 500 mg > > 3% prilocaine 6 mg/kg maximum is 400 mg > > 4% prilocaine 6  mg/kg maximum is 400 mg > > 4% Articaine 7 mg/kg maximum is 440 mg > > Reference ( scully and master 1) > > > > > > please guys correct me if I am wrong > > > > Best regards > > Ebtisam > > > > > > > > ________________________________ > > From: Farah Hasan <farahghassanhasan@> > > " " < > > > Sent: Sunday, 5 February 2012, 17:04 > > Subject: Re: anasthesia > > > > > >  > > thank u verymuch , can you help me and explain how we should calculate it > > please > > > > From: "dr_ashish_pandit@" <dr_ashish_pandit@> > > < > > > Sent: Sunday, February 5, 2012 5:54 PM > > Subject: Re: anasthesia > > > > > >  > > Its 24 ml > > -ashish. > > Sent on my BlackBerry® from Vodafone > > From: Farah Hasan <farahghassanhasan@> > > Sender: > > Date: Sun, 5 Feb 2012 16:39:03 +0000 (GMT) > > < > > > Reply > > Subject: anasthesia > >  > > ore question > > howmany ml of lignocaine 2% 1/80000 can injected to 125 kilogram person? 24 ,26 ,27 ,30 > >  > > > Quote Link to comment Share on other sites More sharing options...
Guest guest Posted April 6, 2012 Report Share Posted April 6, 2012 hi Virdi, how did u get 40 Hi... The maximum safe dose of lidocaine with adrenaline is 7 mg/kg. Therefore, a patient who is 125 Kg= 125X7 =875 mg/kg. A 2% solution translates to 20mg/mL. So the maximum dose here is= 875/20=43.75 ml. i,e, 19 cartridges. This is the calculation I'm aware of....please do correct me if i'm wrong... Ajith From: mahejabin malik <drmahejabin@...> Sent: Friday, 6 April 2012 2:46 PMSubject: Re: anasthesia How many ml of lignocaine 2 percent 1/80000 can be injected to a 125 kg person. Please explain I am veryuch confused From: Mannar G <garadahm@...>; < >; Subject: Re: anasthesia Sent: Wed, Apr 4, 2012 10:49:46 AM helo ebtisam i did not understand where u go 1.7 x 125 from which data?? we r supposed to get the answer form the information given which is how many ml of lignocaine 2% 1/80000 can injected to 125 kilogram person? sorry to trouble you but u can reexplain it please thanks > >> > hi farah> > > > since the maximum dose allowed is 4.4mg/kg of lidocain 1:80 000> > 1. 7 x 125= 875 mg ( but remember you must never exceed the maximum dose that is 500 mg, no matter what the weight of the patient) so you will use 500 mg in the second equation> > if the patient weight was 70 then its 7mg x 70kg = 490 mg since its below 500 maximum dose you will us it in the second equation.> > > > > > In a 20% lidocain means there is 1ml= 20 mg that`s because:> > 20% lidocain means 2gm per 100 ml of solution that`s equal to> >                                2000 mg per 100 ml ( remove the zeros)> >                                20 mg per 1 ml> > > > > > 2. then do a cross multiplication if:> > 1ml= 20mg then> > x ml = 500 mg> > > > that equals to= 25 > > > > from the available options 24 is the closest you can`t give 26 ml or u will be exceeding the maximum dose.> > > > so there are some points u need to memorize> > > > 2% plain lidocaine maximum dose is 4.4mg/kg    maximum is 300 mg> > 2% lidocaine with 1:80 000 epinephrine 7mg/kg    maximum is 500 mg> > 3% prilocaine 6 mg/kg maximum is 400 mg> > 4% prilocaine 6  mg/kg maximum is 400 mg> > 4% Articaine 7 mg/kg maximum is 440 mg> > Reference ( scully and master 1)> > > > > > please guys correct me if I am wrong> > > > Best regards> > Ebtisam> > > > > > > > ________________________________> > From: Farah Hasan <farahghassanhasan@>> > " " < > > > Sent: Sunday, 5 February 2012, 17:04> > Subject: Re: anasthesia> > > > > >  > > thank u verymuch , can you help me and explain how we should calculate it> > please> > > > From: "dr_ashish_pandit@" <dr_ashish_pandit@>> > < > > > Sent: Sunday, February 5, 2012 5:54 PM> > Subject: Re: anasthesia> > > > > >  > > Its 24 ml > > -ashish.> > Sent on my BlackBerry® from Vodafone> > From: Farah Hasan <farahghassanhasan@> > > Sender: > > Date: Sun, 5 Feb 2012 16:39:03 +0000 (GMT)> > < >> > Reply > > Subject: anasthesia> >  > > ore question> > howmany ml of lignocaine 2% 1/80000 can injected to 125 kilogram person? 24 ,26 ,27 ,30> >  > >> Quote Link to comment Share on other sites More sharing options...
Guest guest Posted April 6, 2012 Report Share Posted April 6, 2012 So weight x 4.4 = xamount/40= answer how to calculate 40 Hi... The maximum safe dose of lidocaine with adrenaline is 7 mg/kg. Therefore, a patient who is 125 Kg= 125X7 =875 mg/kg. A 2% solution translates to 20mg/mL. So the maximum dose here is= 875/20=43.75 ml. i,e, 19 cartridges. This is the calculation I'm aware of....please do correct me if i'm wrong... Ajith From: mahejabin malik <drmahejabin@...> Sent: Friday, 6 April 2012 2:46 PMSubject: Re: anasthesia How many ml of lignocaine 2 percent 1/80000 can be injected to a 125 kg person. Please explain I am veryuch confused From: Mannar G <garadahm@...>; < >; Subject: Re: anasthesia Sent: Wed, Apr 4, 2012 10:49:46 AM helo ebtisam i did not understand where u go 1.7 x 125 from which data?? we r supposed to get the answer form the information given which is how many ml of lignocaine 2% 1/80000 can injected to 125 kilogram person? sorry to trouble you but u can reexplain it please thanks > >> > hi farah> > > > since the maximum dose allowed is 4.4mg/kg of lidocain 1:80 000> > 1. 7 x 125= 875 mg ( but remember you must never exceed the maximum dose that is 500 mg, no matter what the weight of the patient) so you will use 500 mg in the second equation> > if the patient weight was 70 then its 7mg x 70kg = 490 mg since its below 500 maximum dose you will us it in the second equation.> > > > > > In a 20% lidocain means there is 1ml= 20 mg that`s because:> > 20% lidocain means 2gm per 100 ml of solution that`s equal to> >                                2000 mg per 100 ml ( remove the zeros)> >                                20 mg per 1 ml> > > > > > 2. then do a cross multiplication if:> > 1ml= 20mg then> > x ml = 500 mg> > > > that equals to= 25 > > > > from the available options 24 is the closest you can`t give 26 ml or u will be exceeding the maximum dose.> > > > so there are some points u need to memorize> > > > 2% plain lidocaine maximum dose is 4.4mg/kg    maximum is 300 mg> > 2% lidocaine with 1:80 000 epinephrine 7mg/kg    maximum is 500 mg> > 3% prilocaine 6 mg/kg maximum is 400 mg> > 4% prilocaine 6  mg/kg maximum is 400 mg> > 4% Articaine 7 mg/kg maximum is 440 mg> > Reference ( scully and master 1)> > > > > > please guys correct me if I am wrong> > > > Best regards> > Ebtisam> > > > > > > > ________________________________> > From: Farah Hasan <farahghassanhasan@>> > " " < > > > Sent: Sunday, 5 February 2012, 17:04> > Subject: Re: anasthesia> > > > > >  > > thank u verymuch , can you help me and explain how we should calculate it> > please> > > > From: "dr_ashish_pandit@" <dr_ashish_pandit@>> > < > > > Sent: Sunday, February 5, 2012 5:54 PM> > Subject: Re: anasthesia> > > > > >  > > Its 24 ml > > -ashish.> > Sent on my BlackBerry® from Vodafone> > From: Farah Hasan <farahghassanhasan@> > > Sender: > > Date: Sun, 5 Feb 2012 16:39:03 +0000 (GMT)> > < >> > Reply > > Subject: anasthesia> >  > > ore question> > howmany ml of lignocaine 2% 1/80000 can injected to 125 kilogram person? 24 ,26 ,27 ,30> >  > >> Quote Link to comment Share on other sites More sharing options...
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