13 results
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Digoxin-Associated Arrhythmias ... unusually slow ventricular ... Complete Heart Block ... Tachycardia with 2:1 AV Block ... #ekg #electrocardiogram
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Summary of Heart ... Heart Block: ... Mobitz I Heart Block ... • Block in AV ... #electrocardiogram
The JT Interval and Pro-Arrhythmic Risk
Measured from the J-point to the end of the T-wave, the
Interval and Pro-Arrhythmic ... Bundle Branch Block ... Bundle Branch Block ... JTInterval #QTc #electrocardiogram ... pathophysiology #ekg
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
abberancy - N B Afib ... - w/ variable block ... (3) SA node block ... - Proximal AV block ... #EKG #diagnosis
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
(AV blocks) - ECG ... Diagnosis Summary ... aka Ventricular ... #electrocardiogram ... classification #summary
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
Phasic Sinus Arrhythmia ... presence of AV block ... cardiology #diagnosis #ekg ... #ecg #electrocardiogram ... variants #clinical #comparison
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
Phasic Sinus Arrhythmia ... presence of AV block ... cardiology #diagnosis #ekg ... #ecg #electrocardiogram ... variants #clinical #comparison
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
Waves/Fibrillary = afib ... Interval: • 1° Block ... >200ms • 2° Block ... loss of P • 2° Block ... • 3° Complete Block
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
with variable block ... atrioventricular block ... supraventricular or ventricular ... tachycardia • Ventricular ... /Afib/WPW) • Loss
Atrial Fibrillation (A-Fib) Summary

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

Why?
Cardiac:
	• Valvular heart
) Summary Symptoms ... Common Sustained Arrhythmia ... bundle branch block ... (< 5% pts with afibb ... propafenone with β-blocker