11 results
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
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... anterior descending (LAD ... Subepicardial atrial ... aVR • Classic EKG ... #differential #cardiology
Wraparound LAD STEMI on EKG
47 year old with chest pain. Ectopic atrial rhythm with ST elevations.
Wraparound LAD STEMI ... Ectopic atrial rhythm ... with ST elevations ... #STEMI #EKG #clinical ... #cardiology #electrocardiogram
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 ... • Non-specific ST-T ... #EKG #Pulmonary ... AcutePE #diagnosis #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
(2) Atrial ... ) - 3 different ... P waves in lead ... #EKG #diagnosis ... electrocardiogram #cardiology
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
Capture: Narrow, different ... Discordance" = ST ... Criteria - Suspect STEMI ... Diagnosis #Checklist #EKG ... #cardiology #lbbb
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Diagnosis Framework STEMI ... QRS complex Pulmonary ... block; and sinus tachycardia ... differential #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Multifocal Atrial Arrhythmias on ECG
Multifocal atrial rhythm & Multifocal atrial tachycardia
ECG Recognition:
 • Variable P wave
tachycardia ECG ... of at least 3 different ... #rhythm #tachycardia ... #cardiology #diagnosis ... #clinical #comparison
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
SVT - Wide Tachycardias ... #VT #VTach #SVT ... #Comparison #VentricularTachycardia ... #Versus #ecg #ekg ... #cardiology #diagnosis
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
Physical exam • 12-lead ... ECG • Limited ... Valvular disease (e.g ... Pheochromocytoma • Pulmonary ... #Palpitations #Cardiology