16 results
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Antiarrhythmics Pharmacology ... • Atrial depolarization ... contraction of atrial ... Classification #Classes #pathophysiology ... #phases #cardiology
Antiarrhythmics - Sodium Channel Blockers
Subclasses, Mechanisms, Indications, Side Effects
la - Quinidine, Procainamide
lb - Lidocaine, Mexiletine
Ic -
Antiarrhythmics - Sodium Channel ... Antiarrhythmics #Sodium #Channel ... Blockers #ClassI #Na #cardiology ... #pharmacology # ... table #comparison
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
++ influx into cells ... inotropy) ACCP Cardiology ... Vaughan #Williams #Pharmacology ... Classification #Classes #pathophysiology ... #cardiology
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
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
Causes of Atrial Fibrillation

Heart disease 
 - Aging heart 
 - Cardiomyopathies 
 - Congestive heart
Causes of Atrial ... - Altered ion channel ... Sleep apnea #Atrial ... Fibrillation #AFib #Cardiology ... #Pathophysiology
Clinician's Pocket Guide to Vasopressors - Receptor Profiles and Hemodynamic Parameters
 • Systemic Vascular Resistance -
Chornotropy - Changes ... • MAP - Mean Arterial ... #Vasopressors #Pharmacology ... cheatsheet #management #comparison
Intern Pocket Cards - Inpatient Blood Pressure Management Guide
ß-blockers:
 • Metoprolol, Carvedilol, Labetalol
 • Bradycardia, heart
inhibitor use Calcium Channel ... unpredictable drop in SBP Partial ... medications #Inpatient #pharmacology ... agents #internship #comparison
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
The heart rate change ... Wandering Atrial ... Pacemaker: • The change ... Sinus #Arrhythmia #cardiology ... variants #clinical #comparison
Sedative-Hypnotic Drugs
Benzodiazepines:
 - Bind to specific GABAA receptor subunits at central nervous system (CNS) neuronal synapses
GABA-mediated chloride ion channel ... GABA-mediated chloride ion channel ... uncertain: - Partial ... #medications #pharmacology ... #comparison #table