22 results
Congenital Heart Disorders - Classification and Differential Algorithm

- Amy Chung, MD, MSc @AmyChung 

#Congenital #Heart #Disorders
and Differential Algorithm ... Amy Chung, MD, MSc ... #Differential #Algorithm ... #Diagnosis #Peds ... #Pediatrics #Cardiology
Dextrocardia on EKG
 • Limb leads look like LA ←→ RA transposition
 • V1 ←→ V2
predominantly negative ... Dextrocardia #EKG #ECG #electrocardiogram ... #cardiology #diagnosis ... #clinical
Vereckie Algorithm - Lead aVR - Ventricular Tachycardia - Telemetry Diagnosis
WCT is VT IF:
 • Initial
Vereckie Algorithm ... or q wave > 40 ms ... downstroke of negative ... #Vereckie #Algorithm ... avr #diagnosis #cardiology
Typical (Counterclockwise) and Reverse Typical (Clockwise) Atrial Flutter on EKG
Typical (Counterclockwise) Atrial Flutter
 • Inferior leads:
up, slow down; "negative ... • V1: Broad & negative ... aflutter #ecg #ekg #electrocardiogram ... #cardiology #clinical
Osborn waves - positive deflections at the J point (negative in aVR and V1) with a
at the J point (negative ... - are abnormal electrocardiogram ... EmergencyMedicine #Cardiology ... #osbornwaves #Electrocardiogram ... #ECG #Clinical
Atrial Fibrillation and WPW - Pre-Excitation AFib
In pre-excitation + a-fib with RVR:
 • All AV nodal
nodal blocking meds ... at bedside • Cardiology ... PreExcitation #clinical ... #ecg #ekg #electrocardiogram ... #cardiology
Here’s an ECG of a patient with 100% Acute LAD Occlusion

Remember that RBBB normally has ST
considered to have ’relative ... Total #ECG #EKG #Electrocardiogram ... #Clinical #Cardiology
Wellen’s waves are biphasic with a tight positive, then negative deflection and evolve to become symmetrically
positive, then negative ... biphasic #ECG #EKG #Electrocardiogram ... #Clinical #Cardiology
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
● Positive or negative ... Brugada algorithm ... Positive or negative ... point) of S > 100 ms ... Comparison #Diagnosis #Cardiology
Accelerated Idioventricular Rhythm (AIVR) on EKG
 • Regular rhythm with wide. 
 • QRS complexes >120
complexes >120 ms ... AIVR #diagnosis #cardiology ... #EKG #ECG #Electrocardiogram ... #clinical