22 results
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
abberancy - N B Afib ... (3) SVTs - atrial ... 200ms from longer pause ... - ventricular pacemaker ... EKG #diagnosis #electrocardiogram
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Arrhythmias • Atrial ... unusually slow ventricular ... Complete Heart Block ... Bidirectional Ventricular ... cardiology #ecg #ekg #electrocardiogram
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
• Ventricles: Ventricular ... Tachy-arrhythmias (ventricular ... Contractions (PVC), Ventricular ... Fibrillation (V-Fib ... Differential #Diagnosis #Causes
Comparison of Multifocal Atrial Tachycardia, Atrial Fibrillation and Atrial Flutter
Multifocal Atrial Tachycardia - Atrial Rate >
of Multifocal Atrial ... Tachycardia, Atrial ... irregular depending on block ... AtrialTachycardia #AFib ... Diagnosis #Cardiology #Electrocardiogram
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
• AV Block (ISt ... Escape Rhythm • Ventricular ... • Premature ventricular ... interval) • AFib ... Diagnosis #Algorithm #causes
The cardiac cycle describes each heart beat, incorporating relaxation and contraction. Phase one describes diastole and
see above that atrial ... are both low but atrial ... blood when the atria ... the aortic valve closes ... Pressures #Phonogram #Electrocardiogram
Bradycardia - Differential Diagnosis Framework and Management
Narrow Complex Bradycardia:
 • Regular: Sinus Bradycardia, AFib w/ AV
Sinus Bradycardia, AFib ... w/ AV Block, Atrial ... Sinus Arrest, AFib ... Slow Vent Rate, AFib ... SVT WI Wide QRS, Ventricular
Atrial Fibrillation (A-Fib) Summary

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

Why?
Cardiac:
	• Valvular heart
Irregularly irregular ventricular ... bundle branch block ... control with early Afib ... disease, left ventricular ... #Fibrillation #AFib
Causes of Palpitations
 • ARRHYTHMiA 
 • SINUS ARRYTHMIA 
 • ATRIAL FIBRILLATION 
 • ATRIAL
Causes of Palpitations ... FLUTTER • HEART BLOCK ... • PREMATURE VENTRICULAR ... TACHYCARDIA • VENTRICULAR ... #Palpitations #Causes
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
P and QRS • Atrial ... rate > Ventricular ... Regular ventricular ... infranodal level: Ventricular ... Diagnosis #EKG #electrocardiogram