63 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
(MAT) • At least ... • Oxygen • Treatment ... #MAT #Cardiology ... #Diagnosis #ECG ... #EKG #Management
Pericardial Effusion on EKG
 • Electrical alternans
 • Low voltage
 • Sinus tachycardia (suggests possibility of
Pericardial Effusion ... voltage • Sinus tachycardia ... #EKG #ECG #electrocardiogram ... #cardiology #diagnosis ... #clinical
Multifocal Atrial Tachycardia (MAT) on EKG
 • Heart rate > 100 bpm (usually 100-150 bpm)
 •
Multifocal Atrial Tachycardia ... (MAT) on EKG ... intervals • At-least ... #diagnosis #cardiology ... #labeled #clinical
Supraventricular tachycardia (SVT) is an abnormally fast heart rhythm arising from improper electrical activity in upper
Supraventricular tachycardia ... , shortness of breath ... #Clinical #MedStudent ... #Cardiology #EKG ... SupraVentricularTachycardia #ECGEducator
Accelerated Idioventricular Rhythm (AIVR) on EKG
 • Regular rhythm with wide. 
 • QRS complexes >120
• Capture and fusion ... beats may or may ... #Rhythm #AIVR #diagnosis ... #cardiology #EKG ... #clinical
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable ... Control rate (e.g ... Control rate (e.g ... #Treatment #management ... #cardiology #algorithm
Algorithm for the Evaluation of Regular, Wide-Complex Tachycardia
1. aVR: Is the initial deflection in aVR positive?
, Wide-Complex Tachycardia ... dissociation (fusion ... or capture beats ... #EKG #Electrocardiogram ... #Diagnosis #Cardiology
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
SVT - Wide Tachycardias ... - Fusion beats ... VentricularTachycardia #Versus #ecg ... #ekg #cardiology ... #diagnosis #electrocardiogram
Myocarditis
Diagnosis 
• Endomyocardial biopsy (gold standard, rarely performed) 
• Clinical presentation 
• Cardiovascular MRI 
Clinical 
•
Myocarditis Diagnosis ... performed) • Clinical ... Unexplained sinus tachycardia ... gallop • Abnormal ECG ... #Management #Cardiology
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
• No Treatment ... Brady Management ... degrees #summary #Diagnosis ... #EKG #electrocardiogram ... #ecg #cardiology