1100 results
Class I Antiarrhythmics and their Key Pharmacologic Properties

Class IA = Quinidine, Procainamide, Disopyramide ("Quarter PounDer")
Class IB
and their Key Pharmacologic ... This decreases conduction ... Antiarrhythmics #Pharmacology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Antiarrhythmics Pharmacology ... Summary Cardiac Conduction ... reduce speed of ion conduction ... to ↑ ERP (slow conduction ... Antiarrhythmics #Pharmacology
Conductive vs Sensorineural Hearing Loss on Physical Exam
Weber Test:
 • Normal: Sound is equal bilaterally
 •
Conductive vs Sensorineural ... bilaterally • Conductive ... • Normal: Air conduction ... • Conductive: ... Bone conduction
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
reduce speed of ion conduction ... to ↑ ERP (slow conduction ... Vaughan #Williams #Pharmacology
One Pill Kills - Those that can be fatal even after just ingesting a small amount
1)
, hypotension, conduction ... intraventricular conduction ... #Kills #Fatal #Pharmacology
Esmolol - Anesthesia Pharmacology
Trade Name: Esmolol
Brand Name(s): Brevibloc
Drug Type: Cardio-Selective ß Antagonist
Time of Onset: Rapid
Duration of
Esmolol - Anesthesia Pharmacology ... atrioventricular conduction ... Brevibloc #Anesthesia #Pharmacology
Hydroxychloroquine - Risks and Benefits in Lupus
Benefits:
↓ Disease activity, ↓ Flare, ↓ Damage, ↓ Corticosteroid dose,
usually severe]: conduction ... Benefits #Lupus #pharmacology
Adrenoceptor Actions
α1
 • Vascular smooth muscle - Contraction
 • Genitourinary smooth muscle - Contraction
 • Intestinal
Heart - ↑ AV node conduction ... receptors #actions #pharmacology
Weber and Rinne Tuning Fork Testing for Conductive and Sensorineural Hearing Loss

#Weber #Rinne #TuningFork #PhysicalExam #Testing
Fork Testing for Conductive ... PhysicalExam #Testing #Conductive
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
degree" • 1:1 conduction ... Block: Delayed conduction ... Less than 1:1 AV conduction ... Block: Slowed conduction ... Block: Slowed conduction