25 results
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
) ≥ 3 different ... A regular rhythm ... retrograde) - AVNRT, AVRT ... #differential #diagnosis ... #causes #cardiology
Lead aVR on EKG
Lead aVR can provide some unique insight into 5 different conditions:

 - Acute
Lead aVR on EKG ... Lead aVR can provide ... Brugada criteria) #Diagnosis ... #Cardiology #EKG ... #ECG #Lead #AVR
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... Subepicardial atrial ... • Classic EKG ... , atrial tachycardia ... #cardiology
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial ... • At least 3 different ... • Hypoxia • Pulmonary ... #Cardiology #Diagnosis ... #ECG #EKG #Management
Multifocal Atrial Tachycardia (MAT) on EKG
 • Heart rate > 100 bpm (usually 100-150 bpm)
 •
Multifocal Atrial ... Tachycardia (MAT ... Irregularly irregular rhythm ... #Tachycardia #diagnosis ... #cardiology #EKG
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Accelerated Escape Rhythm ... • Atrial Tachycardia ... #Arrhythmias #diagnosis ... #cardiology #ecg ... #ekg #electrocardiogram
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Regular Rhythm: ... Probably AVnRT or AVRT ... cause Irregular Rhythm ... #Treatment #management ... #cardiology #algorithm
Supraventricular Tachycardia (SVT) - Differential Diagnosis Framework and Management

Regular SVT: Sinus Tachycardia, AVNRT, AVRT, Atrial Flutter,
- Differential Diagnosis ... , AVNRT, AVRT, Atrial ... Place patient in semi-recumbent ... #Differential #Diagnosis ... #Management #cardiology
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
EKG in Acute Pulmonary ... Drive: • Sinus Tachycardia ... Changes • STE in aVR ... #EKG #Pulmonary ... Embolism #AcutePE #diagnosis
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
) - 3 different ... P waves in lead ... arrest - escape rhythms ... #EKG #diagnosis ... electrocardiogram #cardiology