2697 results
Quinidine produces the following ECG changes:
1. Prolongation of Q-T interval:
2. Prolongation of QRS complex:
3. Prominent V
Quinidine produces ... #Diagnosis #Cardiology ... #ECG #EKG #Quinidine
Antiarrhythmic Drugs

CLASS IA
 • Procainamide, Quinidine, Disopyramide
CLASS 1B
 • Lidocaine, Mexiletine
CLASS 2
 • Propranolol, Esmolol
CLASS 4
Procainamide, Quinidine ... #Pharmacology #cardiology
Torsades de Pointes 
•Precipitated by drugs that prolong the QT interval 
•Class IA antidysrhythmics (procainamide, quinidine)
(procainamide, quinidine ... TorsadesDePointes #Diagnosis #Cardiology
Antiarrhythmics - Sodium Channel Blockers
Subclasses, Mechanisms, Indications, Side Effects
la - Quinidine, Procainamide
lb - Lidocaine, Mexiletine
Ic -
Side Effects la - Quinidine ... Blockers #ClassI #Na #cardiology
DEPRESSED ST Mnemonic for Causes of ST Segment Depression

D - Drooping valve (mitral valve prolapse)
E -
Toxicity (digitalis/quinidine ... Depression #Mnemonic #Cardiology
Class I Antiarrhythmics and their Key Pharmacologic Properties

Class IA = Quinidine, Procainamide, Disopyramide ("Quarter PounDer")
Class IB
Class IA = Quinidine ... Pharmacology #Agents #Cardiology
Bradycardia - Differential Diagnosis Framework

BRADI Mnemonic
 • BRASH/Hyperkalemia
 • Reduced oxygen/Glucose/Temp
 • ACS
 • Drugs
 •
infusion syndrome • Quinidine ... diagnosis #causes #cardiology
Clinically Significant Cardiovascular Drug-Drug Interactions With OTC Supplements and Herbal Products
Angiotensin-Converting Enzyme Inhibitors (ACEIs)
 • Night-blooming
Increases effects of quinidine ... pharmacology #DDI #table #cardiology
Common Medications Known to Prolong QTc
Antiarrhythmics - Amiodarone, sotalol, flecainide, quinidine, dronedarone, dofetilide
Vasopressors/inotropes - Epinephrine, norepinephrine,
sotalol, flecainide, quinidine ... Chloroquine, mefloquine, quinine
Drugs Implicated in Hemolytic Anemia
 • Hapten (Drug binding to RBC membrane): Penicillin, Cephalosporin, Tetracycline, Tolbutamide,
, Probenciden, Quinidine ... , Quinine, Probenecid