9 results
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Complete Heart Block and ... Accelerated Escape Rhythm ... • Atrial Tachycardia ... with 2:1 AV Block ... #ecg #ekg #electrocardiogram
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
, 3° and Type 1 ... 2°) • His-purkinje ... 2°) • Ventricles ... ), Multifocal Atrial ... Diagnosis #Causes #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
(2) Atrial ... block (3) Multifocal ... atrial tachycardia ... arrest - escape rhythms ... 1 , 3:2, 4:3, etc
Multifocal Atrial Arrhythmias on ECG
Multifocal atrial rhythm & Multifocal atrial tachycardia
ECG Recognition:
 • Variable P wave
Multifocal Atrial ... rhythm & Multifocal ... atrial tachycardia ... #atrial #rhythm ... #tachycardia #cardiology
Multifocal Atrial Rhythm vs Wandering Atrial Pacemaker
Mutifocal Atrial Rhythm / Multifocal Atrial Tachycardia:
Belong to a group
Multifocal Atrial ... Rhythm / Multifocal ... Atrial Tachycardia ... , in sharp contrast ... #Atrial #Rhythm
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
interval < 120 ms = AV ... (e.g. ectopic atrial ... P-Wave Morphology = multifocal ... atrial rhythm ... Interpretation #ECG
Negative Contrast Effect in Right Atrium - Differential Diagnosis
1. Small secundum ASD or PFO with left
Differential Diagnosis 1. ... Small secundum ASD ... to right shunt 2. ... echocardiogram #s4c ... #pocus #bubble
Atrial Fibrillation (A-Fib) Summary

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

Why?
Cardiac:
	• Valvular heart
Irregular wide-complex tachycardia ... : bundle branch ... thrombus • Digoxin ... Cardioversion 1. ... cardioversion 2.
Double Shunt on Echocardiogram
What do you see on this saline contrast study, in a patient with
1. ... Early transit of bubbles ... >LAP as atrial septum ... stretched PFO or ASD ... clinical #pocus #a4c