13 results
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Anatomical Differential ... • His-purkinje system ... tachycardia (AVRT ... Fibrillation (V-Fib ... #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
(4) SA node arrest ... block - ventricular ... #EKG #diagnosis ... electrocardiogram #cardiology ... #differential
Bradycardia - Differential Diagnosis Framework and Management
Narrow Complex Bradycardia:
 • Regular: Sinus Bradycardia, AFib w/ AV
Bradycardia - Differential ... Diagnosis Framework ... w/ AV Block, Atrial ... Arrhythmia, Sinus Arrest ... SVT WI Wide QRS, Ventricular
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... diagnosis includes ... Differentiating ventricular ... #ekg #differential ... #cardiology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Arrhythmias - Differential ... Diagnosis Algorithm ... interval) • AFib ... tachyarrhythmias #Cardiology ... #Differential #
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
(e.g. ectopic atrial ... Waves/Fibrillary = afib ... @AmyChung #EKG ... Electrocardiogram #cardiology ... #diagnosis #system
Non-lschemic Causes of Cardiogenic Shock:

Beta-Blockers, Calcium Channel Blockers, Digoxin 

Myocarditis 

Cardiomyopathies (sarcoidosis, amyloidosis, Takatsubo, 
hemochromatosis) 

Valvular
Supraventricular/Atrial ... Fibrillation AV ... pulmonary HTN, systemic ... Cardiogenic #Shock #Differential ... #Diagnosis #Cardiology
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Shock - Differential ... Sinus pauses • AV ... Tachyarrhythmias • Ventricular ... • Multiple system ... #Table #Causes
Pulmonary Arterial Catheterization – Use and Interpretation:
-Pulmonary arterial catheterization (PAC) has never been shown to improve
cardiogenic shock (eg ... cardiac index) -systemic ... #NormalValues #Differential ... #Table #Chambers ... PCWP #Pressures #SVR
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
Palpitations - Differential ... Anticholinergics Systemic ... : SVT-AVNRT or AVRT ... #Palpitations #Cardiology ... #Differential #