5 results
Negative Contrast Effect in Right Atrium - Differential Diagnosis
1. Small secundum ASD or PFO with left
Differential Diagnosis 1. ... to right shunt 2. ... Differential #Diagnosis #cardiology ... echocardiogram #s4c ... #pocus #bubble
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Classification: CLASS 1 ... channel blocking effects ... duration CLASS 2 ... duration of phase 2 ... ↑ QT interval (delays
Double Shunt on Echocardiogram
What do you see on this saline contrast study, in a patient with
1. ... replenishment via pulm veins ... Echocardiogram #clinical #pocus ... #a4c #intrapulmonary ... #cardiology #saline
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
out K+ efflux • Delays ... Classification: CLASS 1 ... channel blocking effects ... ↑ QT interval (delays ... inotropy) ACCP Cardiology
Cortical Desmoid - MSK Radiology
Imaging Findings:
 • Circumscribed, small cortically based Tl -hypointense and T 2-hyperintense
hypointense and T 2- ... Case description ... Most have post-contrast ... distal femur, 1- ... 2 cm proximal to