11 results
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
- Premature atrial ... pathway back up to atrium ... depolarizes the atria ... ECG usually shows ... Pathophysiology #cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
main coronary artery ... Subepicardial atrial ... tachycardia ddx: AVNRT ... , AVRT, atrial tachycardia ... cardiology
Restrictive Cardiomyopathy on Echocardiogram - Apical 4 Chamber View

RCM is a disease of diastole —> severe
diastole —> severe atrial ... this degree of atrial ... mistake to avoid: atrial ... An ASD with atria ... #cardiology #a4c
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
, the atria and ... EKG of the same ... to diagnose the case ... excludes other differentials ... PhysicalExam #JVP #Cardiology
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... Paroxysmal AF, atrial ... flutter, or atrial ... Arrhythmias: • Atrial ... • Multifocal atrial
Negative Contrast Effect in Right Atrium - Differential Diagnosis
1. Small secundum ASD or PFO with left
Effect in Right Atrium ... Small secundum ASD ... Effect #Right #Atrium ... #Diagnosis #cardiology ... #clinical #echocardiogram
Coronary Artery Embolism - Etiology and Scoring
Etiology:
 • Direct: Clot (LV thrombus, LAA Thrombus), Valve (Vegetation,
Coronary Artery ... - Most Common Cause ... non-culprit vessels • Atrial ... Embolism #diagnosis #differential ... scoring #criteria #cardiology
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
including: • Coronary artery ... capture of the atria ... may not occur Differential ... arrhythmia • Atrial ... #cardiology
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Libman Sacks) • Atrial ... Septic Emboli Cause ... Marantic (NTBE) Differential ... ↑ ESR, CRP • EKG ... diagnosis #management #cardiology
Double Shunt on Echocardiogram
What do you see on this saline contrast study, in a patient with
as RAP>LAP as atrial ... stretched PFO or ASD ... , and later (after ... clinical #pocus #a4c ... intrapulmonary #cardiology