20 results
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Atrial fibrillation ... Tachycardia (MAT ... 3 different P wave ... Sinus tachycardia ... diagnosis #causes #cardiology
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Tachycardia (MAT ... different P wave ... #Tachycardia #MAT ... #Cardiology #Diagnosis ... #ECG #EKG #Management
T Waves: Benign Early Repolarization vs Hyperacute T Waves vs Peaked T Waves 

BER = Notching
Notching or slurring at ... J-point; Prominent ... symmetrically peaked #ECG ... #EKG #cardiology ... BenignEarlyRepolarization #Comparison
Multifocal Atrial Tachycardia (MAT) on EKG
 • Heart rate > 100 bpm (usually 100-150 bpm)
 •
Multifocal Atrial ... Tachycardia (MAT ... ) on EKG • Heart ... 3 distinct P-wave ... #cardiology #EKG
Multifocal Atrial Arrhythmias on ECG
Multifocal atrial rhythm & Multifocal atrial tachycardia
ECG Recognition:
 • Variable P wave
tachycardia ECG ... #MAT #Multifocal ... #tachycardia #cardiology ... #diagnosis #ekg ... electrocardiogram #clinical #comparison
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
tachycardia ... tachycardia (MAT ... 3 different P waves ... #EKG #diagnosis ... electrocardiogram #cardiology
1. "Sinus Tach" at ~150 bpm is your cue to look for flutter waves
2. Don't trust
"Sinus Tach" at ... look for flutter waves ... #Clinical #EM #Cardiology ... #ECG #Atrial #Flutter
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
intervals vary at ... Wandering Atrial ... #Arrhythmia #cardiology ... #diagnosis #ekg ... variants #clinical #comparison
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
Adrenergic Drive: • Sinus ... Tachycardia (most ... also a result of atrial ... • Dominant R Wave ... AcutePE #diagnosis #cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Subepicardial atrial ... findings: Sinus ... : AVNRT, AVRT, atrial ... criteria only looks at ... #differential #cardiology