23 results
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
(MAT) ≥ 3 different ... P wave morphologies ... Atrial flutter ... differential #diagnosis #causes ... #cardiology
Osborn wave (J wave) in Hypothermia - Positive deflection at the J point

Height of the J
Osborn wave (J wave ... of the J wave correlates ... hypothermia #Clinical ... #Cardiology #ECG ... #EKG #Osborn #JWave
Multifocal Atrial Tachycardia (MAT) on EKG
 • Heart rate > 100 bpm (usually 100-150 bpm)
 •
Multifocal Atrial Tachycardia ... (MAT) on EKG ... 3 distinct P-wave ... #diagnosis #cardiology ... #labeled #clinical
Atrial Flutter on EKG
 • Regularly-occurring atrial activity
 • ≥ 240 atrial depolarizations (i.e. flutter waves)
EKG • Regularly-occurring ... waves) / min ... isoelectric baseline in at ... #aflutter #ecg ... #cardiology #clinical
1. "Sinus Tach" at ~150 bpm is your cue to look for flutter waves
2. Don't trust
"Sinus Tach" at ... cue to look for flutter ... waves 2. ... #Clinical #EM #Cardiology ... #ECG #Atrial #Flutter
A Lewis Lead (also called the S5 lead) is a modified ECG lead used to detect
detect atrial flutter ... flutter is suspected ... clinically, based ... waves may be more ... #Cardiology #EKG
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
) • P-waves. ... variable block >> MAT ... whether AF is cause ... Tx: Underlying cause ... #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
(MAT) - 3 ... different P waves ... 200ms from longer pause ... #EKG #diagnosis ... electrocardiogram #cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Possible atrial flutter ... Treat underlying cause ... or MAT - Control ... Treat underlying cause ... Treatment #management #cardiology
Supraventricular tachycardia (SVT) is an abnormally fast heart rhythm arising from improper electrical activity in upper
Supraventricular tachycardia ... (PSVT), atrial flutter ... Symptoms may include ... #Clinical #MedStudent ... #Cardiology #EKG