9 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial ... Tachycardia (MAT ... #Tachycardia #MAT ... #Cardiology #Diagnosis ... #ECG #EKG #Management
Typical ECG changes in acute pericarditis includes: stage 1 - diffuse, positive, ST elevations with reciprocal
Typical ECG changes ... leads indicates atrial ... patients) stage 4 - ECG ... #IM #Cardiology ... #EKG #Pericarditis
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... aVR • Classic EKG ... #AVR #leadAVR #ecg ... electrocardiogram #diagnosis #ekg ... #differential #cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Narrow-Complex Tachycardia ... Control rate (e.g ... Control rate (e.g ... #Treatment #management ... #cardiology #algorithm
Myocarditis
Diagnosis 
• Endomyocardial biopsy (gold standard, rarely performed) 
• Clinical presentation 
• Cardiovascular MRI 
Clinical 
•
• Chest pain, pericarditis ... Unexplained sinus tachycardia ... gallop • Abnormal ECG ... cardiac death Management ... #Cardiology
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... flutter, or atrial ... • Pericarditis ... Valvular disease (e.g ... #Palpitations #Cardiology
This is a parasternal long axis view of a young patient presenting with 3 days of
x-ray and and ECG ... with sinus tachycardia ... root, and left atrium ... Michael Macias, EM ... #Radiology #POCUS
Shock - Diagnosis and Management Summary
 • Hypotension: SBP<90, SBP drop >40, MAP<65 (Normotension, HTN possible
Diagnosis and Management ... shock state) • Tachycardia ... telemetry, 12-Lead EKG ... > Constrictive pericarditis ... Anaphylactic >> IM
Purpose: We sought to develop a patient decision aid to promote shared decision-making for patients who
natural frequency (e.g ... randomized controlled trial ... #Management #PatientInfo ... #Cardiology #EM