Class ia drugs - Study guides, Class notes & Summaries

PVARP....after a _____ event, refractory for the ______ - Answer-ventricle, atrium what is most likely the cause of the under detection of atrial flutter? - Answer-p waves falling into PVAB Which two studies showed that RV pacing in patients could lead to more hospitalizations? - Answer-DAVID and MOST when are the wedensky effects the greatest - Answer-at narrow pulse widths First degree AV block with symptoms of ppm syndrome is what class of indication for pacing - Answer-Class IIa ...

Class IA Drugs have what Action? Na+ Channel -- Moderately prolonged refractoriness and slow conduction velocity **Convert Arrhythmia and maintain NSR * Increases QRS duration *Prolong QT intervals * Block Parasympathetic stimulation of SA and AV node --> Increased conduction velocity What are the Class IA drugs? Procainamide, Disopyriamide, Quinidine *PDQ What's another name for Disopyramide NORPACE Class Ia drugs are for which arrhythmias? *Can be used for Atrial and ventricu...

LSU SVM PHARMACOLOGY EXAM 3 LATEST 2024 VERSION TEST QUESTION WITH ALL CORRECT SOLUTIONS Neurologic signs, hypotension, proarrhythmic effects - Answer-What are three signs of class Ia antiarrhythmic toxicity Quinidine, procainamide - Answer-2 class 1a drugs that block the sodium channels and delay depolarization and increase the action potential duration Anticholinergic activity (facilitates AV nodal conduction) - Answer-What is one unique aspect of quinidine (what other effect does it h...

midazolam what is the common name for Versed .04 mg/kg standard adult dose of atropine half dose how much NPH insulin should a patient be administered prior to an EP study? (they are fasting think about blood sugar) 4-8 weeks What is the elimination half life of amiodarone? 4 half lives how long should an anti arrhythmic drug be discontinued prior to EP study? sodium channel what do class I drugs primarily affect? #Examify | #OnlineExams | #TestPrep | #StudyResources | #Acade...

Class 1 Anti-Arrhythmic Mechanism correct answersSodium (Na) Channel Blockers Class II Anti-Arrhythmic Mechanism correct answersBeta Blockers Class III Anti-Arrhythmic Mechanism correct answersPotassium (K) Channel Blockers Class IV Anti-Arrhythmic Mechanism correct answersL-Type Calcium (Ca) Channel Blocker Class Ia drugs correct answers-Quinidine (rarely used) -Procainamide -Disopyramide. Na Channel blockers that raise APD Class Ib drugs correct answers-Lidocaine -Mexilet...

PVARP....after a _____ event, refractory for the ______ - ventricle, atrium what is most likely the cause of the under detection of atrial flutter? - p waves falling into PVAB Which two studies showed that RV pacing in patients could lead to more hospitalizations? - DAVID and MOST when are the wedensky effects the greatest - at narrow pulse widths First degree AV block with symptoms of ppm syndrome is what class of indication for pacing - Class IIa Calculation of the wenkbach inte...

IBHRE PREP Exam Questions & Answers 2023/2024 PVARP....after a _____ event, refractory for the ______ - ANSWER-ventricle, atrium what is most likely the cause of the under detection of atrial flutter? - ANSWER-p waves falling into PVAB Which two studies showed that RV pacing in patients could lead to more hospitalizations? - ANSWER-DAVID and MOST when are the wedensky effects the greatest - ANSWER-at narrow pulse widths First degree AV block with symptoms of ppm syndrome is what...

PVARP....after a _____ event, refractory for the ______ correct answer: ventricle, atrium what is most likely the cause of the under detection of atrial flutter? correct answer: p waves falling into PVAB Which two studies showed that RV pacing in patients could lead to more hospitalizations? correct answer: DAVID and MOST when are the wedensky effects the greatest correct answer: at narrow pulse widths First degree AV block with symptoms of ppm syndrome is what class of indicatio...

IBHRE CEPS TEST QUESTIONS IBHRE CEPS TEST QUESTIONS WITH GUARANTEED ACCURATE ANSWERS Class 1 Anti-Arrhythmic Mechanism - Accurate AnswerSodium (Na) Channel Blockers Class II Anti-Arrhythmic Mechanism - Accurate AnswerBeta Blockers Class III Anti-Arrhythmic Mechanism - Accurate AnswerPotassium (K) Channel Blockers Class IV Anti-Arrhythmic Mechanism - Accurate AnswerL-Type Calcium (Ca) Channel Blocker Class Ia drugs - Accurate Answer-Quinidine (rarely used) -Procainamide -Diso...

Phases of action potential in non-pacemaker cells Phase 0: depolarization Phase 1: partial repolarization Phase 2: plateau Phase 3: repolarization Phase 4: RMP Phases of action potential in pacemaker cells Phase 0: rapid depolarization Phase 3: repolarization Phase 4: slow depolarization Nonpacemaker action potentials can mimic/transform into pacemaker action potentials when? In hypoxic states 3 major causes of disturbed cardiac rhythm 1. Heart block 2. Ectopic pace...