18 results
Antiarrhythmic Medications - Vaughan Williams Classification - Summary Table
Class I agents - Sodium Channel Blockers⠀
Class II
agents - Sodium Channel ... agents - Potassium Channel ... IV agents - Calcium ... Channels Blockers ... #pharmacology #
Pharmacologic Treatments of Chronic Hypertension in Pregnancy
Central alpha-agonists
 - Methyldopa
 - Clonidine
Combined alpha- and beta-blocker
 -
Pharmacologic Treatments ... Channel Blockers ... Dihydropyridine Calcium ... Channel Blockers ... #HTN #Table #Drugs
Antiarrhythmics - Sodium Channel Blockers
Subclasses, Mechanisms, Indications, Side Effects
la - Quinidine, Procainamide
lb - Lidocaine, Mexiletine
Ic -
- Sodium Channel ... #Sodium #Channel ... #Na #cardiology ... #pharmacology # ... table #comparison
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
CLASS 1 - Sodium Channel ... Block fast Na+ channels ... repolarization) CLASS 4 - Calcium ... Channel Blockers ... Vaughan #Williams #Pharmacology
Membrane Actions of Antiarrhythmic Drugs

#Membrane #Channels #Actions #Antiarrhythmic #Drugs #Medications #Pharmacology #Cardiology #Table
Membrane Actions of Antiarrhythmic ... #Membrane #Channels ... #Actions #Antiarrhythmic ... #Medications #Pharmacology ... #Cardiology #Table
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Antiarrhythmics ... Pharmacology Summary ... repolarization) CLASS 4 - Calcium ... Channel Blockers ... #Pharmacology #
Calcium Channel Blockers - Dihydropyridines vs Non-Dihydropyridines
Dihydropyridines (amlodipine, felodipine, nifedipine, nicardipine)
 • SVR: Decrease
 • Inotropy:
Calcium Channel ... #Channel #Blockers ... NonDihydropyridines #pharmacology ... #comparison #table ... #cardiology
Drugs affecting the cardiac action potential. The sharp rise in voltage ("0") corresponds to the influx
to the sodium-channel ... voltage-sensitive calcium ... channels. ... #Pathophys #Pharmacology ... #Cardiology #Antiarrhythmics
Non-lschemic Causes of Cardiogenic Shock:

Beta-Blockers, Calcium Channel Blockers, Digoxin 

Myocarditis 

Cardiomyopathies (sarcoidosis, amyloidosis, Takatsubo, 
hemochromatosis) 

Valvular
Shock: Beta-Blockers ... , Calcium Channel ... Blockers, Digoxin ... , systemic HTN, ... Differential #Diagnosis #Cardiology
Medications Used in Hypertensive Emergencies
Vasodilators: Hydralazine, Nitroglycerin, Sodium nitroprusside 
Calcium Channel Blockers: Clevidipine, Nicardipine
ß-Blockers: Esmolol, Labetalol,
nitroprusside Calcium ... Channel Blockers ... Nicardipine ß-Blockers ... Management #Treatment #Pharmacology ... #Table