63 results
Antiarrhythmics - Sodium Channel Blockers
Subclasses, Mechanisms, Indications, Side Effects
la - Quinidine, Procainamide
lb - Lidocaine, Mexiletine
Ic -
Antiarrhythmics - Sodium Channel ... , Indications, Side ... Antiarrhythmics #Sodium #Channel ... Blockers #ClassI #Na #cardiology ... #pharmacology #
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Antiarrhythmics Pharmacology ... Phase • Ca++ channels ... inotropy) ACCP Cardiology ... Antiarrhythmics #Pharmacology ... pathophysiology #phases #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
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
CLASS 1 - Sodium Channel ... Block fast Na+ channels ... inotropy) ACCP Cardiology ... Vaughan #Williams #Pharmacology ... pathophysiology #cardiology
Membrane Actions of Antiarrhythmic Drugs

#Membrane #Channels #Actions #Antiarrhythmic #Drugs #Medications #Pharmacology #Cardiology #Table
#Membrane #Channels ... #Medications #Pharmacology ... #Cardiology #Table
Cardiac Rupture with Pericardial Effusion

Apical 4 chamber. Note larger right sided pericardial effusion with significant compression
Note larger right sided ... Echocardiogram #ultrasound ... #Cardiology #A4c
Calcium Channel Blockers - Dihydropyridines vs Non-Dihydropyridines
Dihydropyridines (amlodipine, felodipine, nifedipine, nicardipine)
 • SVR: Decrease
 • Inotropy:
Calcium Channel ... CCBs #Calcium #Channel ... NonDihydropyridines #pharmacology ... comparison #table #cardiology
Dihydropyridine Calcium Channel Blockers

Mechanism of Action:  L-Type calcium channel blockade - Inhibits the influx of
Dihydropyridine Calcium Channel ... L-Type calcium channel ... hypertension Side ... Dihydropyridine #Calcium #Channel ... Blockers #CCB #pharmacology
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Ib, Ic) - Na+ Channel ... Class III - K+ Channel ... Class IV - Ca2+ Channel ... Classification #Classes #cardiology ... #pharmacology
Mitral Valve Infective Endocarditis on POCUS Echocardiogram

IE & HIV & CD4<100 - Oh My!! Time for
- VCU Ultrasound ... Echocardiogram #clinical #a4c ... #cardiology