13 results
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
(1°, 3° and Type ... 1 2°) • His-purkinje ... (1°, 3°, and Type ... : Premature Atrial ... Flutter (AFL),
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Atrial flutter ... (3) SVTs - atrial ... (3) Multifocal atrial ... 1 , 3:2, 4:3, etc ... block (lower AV
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Arrhythmias • Atrial ... ventricular response • Atrial ... Escape Rhythm • Atrial ... Tachycardia with 2: ... 1 AV Block • Bidirectional
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
1 AV conduction ... Type 2 "If some ... a Mobitz Type 2" ... independently of the atria ... #ecg #ekg #diagnosis
Typical ECG changes in acute pericarditis includes: stage 1 - diffuse, positive, ST elevations with reciprocal
Typical ECG changes ... includes: stage 1 ... leads indicates atrial ... injury. stage 2 ... #Spodick #ECGEducator
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
origin within the atria ... (e.g. ectopic atrial ... Morphology = multifocal atrial ... • Saw-Tooth = Atrial ... : • 1° Block -
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
relationship (2: ... 1 or 3:1 block) ... QRS • Atrial ... • Block in AV ... #cardiology
Negative Contrast Effect in Right Atrium - Differential Diagnosis
1. Small secundum ASD or PFO with left
in Right Atrium ... Small secundum ASD ... to right shunt 2. ... #Right #Atrium ... #pocus #bubble
Atrial Fibrillation (A-Fib) Summary

Symptoms:
• Palpitations, light-headedness, dizziness, dyspnea, exercise intolerance, chest pain, near-syncope, syncope.

Why?
Cardiac:
	• Valvular heart
Atrial Fibrillation ... risk factors Atrial ... left atria, the ... identify left atrial ... test for DM Atrial
Giant dilated left atrium on Echocardiogram (a4c)
It belongs to a 92-year old lady with a history
Giant dilated left atrium ... valve doesn’t look typical ... sinus rhythm... 1. ... ASD with R/L shunting ... dilated #left #atrium