2 results
Negative Contrast Effect in Right Atrium - Differential Diagnosis
1. Small secundum ASD or PFO with left
Negative Contrast ... to right shunt 2. ... Differential #Diagnosis #cardiology ... echocardiogram #s4c ... #pocus #bubble
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Transient K+ efflux moving ... to maintain a negative ... • Atrial depolarization ... contraction of atrial ... channel blocking effects