14 results
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Accelerated Escape Rhythm ... with 2:1 AV Block ... • Bidirectional ... Arrhythmias #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Atrial Fibrillation and WPW - Pre-Excitation AFib
In pre-excitation + a-fib with RVR:
 • All AV nodal
For rate and/or rhythm ... at bedside • Cardiology ... PreExcitation #clinical #ecg ... #ekg #electrocardiogram ... #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... abberancy - N B Afib ... arrest - escape rhythms ... #electrocardiogram ... #cardiology #differential
Atrial Fibrillation (A-Fib) Summary

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

Why?
Cardiac:
	• Valvular heart
wide-complex tachycardia: bundle ... branch block or ... (< 5% pts with afibb ... propafenone with β-blocker ... diagnosis #management #cardiology
The 3 Fates of a Premature Atrial Complex
 • PAC can be conducted with normal QRS
of a Premature Atrial ... finds the right bundle ... • PAC can be blocked ... #PACs #cardiology ... #ecg #electrocardiogram
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Narrow & regular rhythm ... Narrow & irregular rhythm ... P and QRS • Atrial ... #electrocardiogram ... #ecg #cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
in 10s x 6 2) Rhythm ... (e.g. ectopic atrial ... Waves/Fibrillary = afib ... #Electrocardiogram ... #cardiology #diagnosis
Multifocal Atrial Arrhythmias on ECG
Multifocal atrial rhythm & Multifocal atrial tachycardia
ECG Recognition:
 • Variable P wave
Arrhythmias on ECG ... ECG Recognition ... Some P waves are blocked ... #cardiology #diagnosis ... #ekg #electrocardiogram
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
independently of the atria ... (AV node, His Bundle ... heart #heartblock #cardiology ... #ecg #ekg #diagnosis ... #electrocardiogram
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
(AV blocks) - ECG ... is an existing bundle ... • In sinus rhythm ... #AVBlock #cardiology ... #electrocardiogram