14 results
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Anatomical Differential ... tachycardia (AVRT ... #Anatomical #Differential ... #Diagnosis #Causes ... #cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... • Classic EKG ... • Predictor of arrhythmia ... #differential # ... cardiology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Arrhythmias - Differential ... AVNRT • AVRT ... aberrancy #Arrhythmias ... #Differential # ... Diagnosis #Algorithm #causes
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
evaluating for other causes ... Drive: • Sinus Tachycardia ... finding) • Atrial Arrhythmia ... Changes • STE in aVR ... AcutePE #diagnosis #cardiology
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Tachycardia - Differential ... Diagnosis Table ... #Differential # ... Diagnosis #Table ... #cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable ... Probably AVnRT or AVRT ... Treat underlying cause ... Treat underlying cause ... #management #cardiology
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
Palpitations - Differential ... exam • 12-lead ECG ... : SVT-AVNRT or AVRT ... #Palpitations #Cardiology ... #Differential #
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Shock - Differential ... • AV block ... • Ventricular tachycardia ... Classification #Table ... #Causes
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
(1) Sinus tachycardia ... 200ms from longer pause ... #EKG #diagnosis ... electrocardiogram #cardiology ... #differential
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
Cardiomyopathy • Inherited arrhythmia ... 300 = NSVT EKG ... may not occur Differential ... • Sinus arrhythmia ... #cardiology