13 results
Bradycardia - Differential Diagnosis Framework and Management
Narrow Complex Bradycardia:
 • Regular: Sinus Bradycardia, AFib w/ AV
w/ AV Block, Atrial ... Tachy w/ AV Block ... Irregular: Sinus Arrhythmia ... , Mobitz I AV Block ... SVT WI Wide QRS, Ventricular
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 ... cardiology #ecg #ekg #electrocardiogram
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 ... QRS - Distal AV block
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 ... - Ventricular ... JTInterval #QTc #electrocardiogram
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
1st Degree Heart Block ... Mobitz I Heart Block ... Brady Management ... • Block in AV ... Diagnosis #EKG #electrocardiogram
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Arrhythmias - Differential ... Syndrome • SA Block ... • AV Block (ISt ... • Premature ventricular ... interval) • AFib
Comparison of Multifocal Atrial Tachycardia, Atrial Fibrillation and Atrial Flutter
Multifocal Atrial Tachycardia - Atrial Rate >
Comparison of Multifocal ... irregular depending on block ... AtrialTachycardia #AFib ... #AFlutter #Comparison ... Diagnosis #Cardiology #Electrocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
Variants of Sinus Arrhythmia ... Phasic Sinus Arrhythmia ... presence of AV block ... diagnosis #ekg #ecg #electrocardiogram ... variants #clinical #comparison
Atrial Fibrillation (A-Fib) Summary

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

Why?
Cardiac:
	• Valvular heart
Common Sustained Arrhythmia ... bundle branch block ... (< 5% pts with afibb ... propafenone with β-blocker ... #diagnosis #management
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
Variants of Sinus Arrhythmia ... Phasic Sinus Arrhythmia ... presence of AV block ... diagnosis #ekg #ecg #electrocardiogram ... variants #clinical #comparison