11 results
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
) Irregular Narrow ... Atrial fibrillation ... Multifocal Atrial ... #Tachycardias #differential ... diagnosis #causes #cardiology
Tachycardia - Differential Diagnosis Framework
Narrow-Complex:
 • Regular: Sinus Tachycardia, Junctional Tachycardia, Atrial Tachycardia, Atrial Flutter, AVRT
Tachycardia - Differential ... Diagnosis Framework Narrow-Complex ... Fibrillation, Multifocal ... #Diagnosis #cardiology ... #wide #narrow #
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
Tachyarrhythmia Framework - Differential ... Diagnosis • Narrow ... tachycardia • Narrow ... variable AV block, Multifocal ... #Diagnosis #cardiology
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Tachycardia - Differential ... Diagnosis Algorithm Narrow ... Junctional tachycardia Narrow ... fibrillation • Multifocal ... Algorithm #Causes #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
from SA node Narrow ... block (3) Multifocal ... atrial tachycardia ... EKG #diagnosis #electrocardiogram ... #cardiology #differential
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Arrhythmias - Differential ... WPW) - Narrow ... Conduction • Multifocal ... tachyarrhythmias #Cardiology ... #Differential #
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Subepicardial atrial ... Tricyclic antidepressant ... : AVNRT, AVRT, atrial ... #leadAVR #ecg #electrocardiogram ... #cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
(e.g. ectopic atrial ... P-Wave Morphology = multifocal ... atrial rhythm ... Interpretation #ECG #Electrocardiogram ... #cardiology #diagnosis
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
: WPW, ectopic atrial ... Short QT <300-360 ms ... antipsychotics, antidepressants ... EKG #diagnosis #electrocardiogram ... #cardiology #interpretation
Haglund Syndrome - MSK Radiology
Imaging Findings:
 • The Haglund Deformity (enlarged superior margin calcaneal posterior process)
Haglund Syndrome - MSK ... posterior process) • Partial ... Differential diagnosis ... calcaneus with marrow ... #diagnosis #msk