12 results
Membrane Actions of Antiarrhythmic Drugs

#Membrane #Channels #Actions #Antiarrhythmic #Drugs #Medications #Pharmacology #Cardiology #Table
Membrane Actions ... of Antiarrhythmic ... #Drugs #Medications ... #Pharmacology # ... Cardiology #Table
Antiarrhythmic Drugs

CLASS IA
 • Procainamide, Quinidine, Disopyramide
CLASS 1B
 • Lidocaine, Mexiletine
CLASS 2
 • Propranolol, Esmolol
CLASS 4
Antiarrhythmic Drugs ... Adenosine, Magnesium, Potassium ... #Medications #Classes ... Classification #Pharmacology ... #cardiology
Drugs affecting the cardiac action potential. The sharp rise in voltage ("0") corresponds to the influx
Drugs affecting ... the cardiac action ... repolarizing eflux of potassium ... #Pathophys #Pharmacology ... #Cardiology #Antiarrhythmics
Class III Antiarrhythmics - Potassium Channel Blockers - Indications and Side Effects
Amiodarone
 • Suppression of VT
- Potassium Channel ... Blockers - Indications ... a-flutter (when other drugs ... #Blockers #pharmacology ... #cardiology
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Antiarrhythmics ... repolarization CLASS 3 - Potassium ... Vaughan #Williams #Pharmacology ... Classification #Classes ... pathophysiology #cardiology
Causes of Hypomagnesemia
Redistribution:
 - IV glucose
 - Correction of diabetic ketoacidosis
 - IV hyperalimentation
 - Refeeding
Causes of Hypomagnesemia ... - Nasogastric suction ... osmotic diuresis - Potassium ... #differential #medications ... #drugs #pharmacology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Clenching of fist during ... reactions Common Drugs ... Intracellular Shift ... Medications 2. ... differential #diagnosis #causes
Medications Used in Congestive Heart Failure

In CHF, the heart is failing as a pump; cardiac output
CHF also causes ... failure is chronic Drug ... #Pharmacology #CHF ... #Medications #Action ... #HeartFailure #Cardiology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Antiarrhythmics ... Pharmacology Summary ... Transient K+ efflux moving ... repolarization CLASS 3 - Potassium ... #Pharmacology #
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Clenching of fist during ... reactions Common Drugs ... Intracellular Shift ... Medications 2. ... differential #diagnosis #causes