62 results
Calcium Channel Blockers - Dihydropyridines vs Non-Dihydropyridines
Dihydropyridines (amlodipine, felodipine, nifedipine, nicardipine)
 • SVR: Decrease
 • Inotropy:
SVR: Decrease • Inotropy ... SVR: Decrease • Inotropy ... NonDihydropyridines #pharmacology ... #comparison #table ... #cardiology
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
contraction force (negative ... inotropy) ACCP ... Cardiology PRN ... Vaughan #Williams #Pharmacology ... pathophysiology #cardiology
Common Vasopressors and Inotropes
Norepinephrine (NE)
 - Indication: Distributive shock (1st line for septic shock), Cardiogenic shock
Vasopressors and Inotropes ... Bradyarrhythmias, Some cases ... #Vasopressors #Inotropes ... #comparison #table ... #pharmacology #
Antiarrhythmics - Sodium Channel Blockers
Subclasses, Mechanisms, Indications, Side Effects
la - Quinidine, Procainamide
lb - Lidocaine, Mexiletine
Ic -
Channel #Blockers #ClassI ... #Na #cardiology ... #pharmacology # ... table #comparison
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Antiarrhythmics Pharmacology ... to maintain a negative ... contraction force (negative ... inotropy) ACCP ... Cardiology PRN
Approach to the Hypotensive Patient - Differential Diagnosis Framework for Hypotension

Blood Pressure = Heart Rate x
- Differential Diagnosis ... stenosis • Meds: negative ... inotropes Decreased ... #differential #diagnosis ... #causes #Hypotensive
Considerations for Crystalloids - 0.9% NS vs LR vs Plasma-Lyte
 - Causes hyperkalemia?
 - Safe to
Plasma-Lyte - Causes ... - Causes lactic ... removed- trials were negative ... #Crystalloids #pharmacology ... #indications #comparison
Torsades de Pointes
• "Twisting of the pointes" 
• QRS axis swings from positive to negative direction
from positive to negative ... Originates from single focus ... interval Class ... TorsadesDePointes #Diagnosis ... #Cardiology #ECG
Typical (Counterclockwise) and Reverse Typical (Clockwise) Atrial Flutter on EKG
Typical (Counterclockwise) Atrial Flutter
 • Inferior leads:
up, slow down; "negative ... • V1: Broad & negative ... electrocardiogram #cardiology ... #clinical #diagnosis ... #comparison
SCAI Pyramid of Cardiogenic Shock Classification
E - Extremis - A patient experiencing cardiac arrest with ongoing
C - Classic - A ... intervention (inotrope ... clinical evidence of relative ... Classification #ABCDEs #diagnosis ... #cardiology