12 results
Left Main Coronary Artery Occlusion on ECG

- aVR ST segment elevation > 1 mm 
- aVR
Coronary Artery Occlusion ... LeftMain #Coronary #Occlusion ... #Artery #ECG #EKG ... #Diagnosis #Electrocardiogram ... #Cardiology #Criteria
3 ECG patterns for Acute Occlusion MI (OMI) without meeting ST elevation criteria
 • Posterior MI
Acute Occlusion ... meeting ST elevation criteria ... @jonnywatt #Occlusion ... equivalent #diagnosis #cardiology ... #electrocardiogram
De Winter T Wave ECG Pattern 
STEMI Equivalent - Left anterior descending (LAD) occlusion 

1) Upsloping
Winter T Wave ECG ... descending (LAD) occlusion ... #EKG #Electrocardiogram ... #Diagnosis #Cardiology ... #Criteria
Here’s an ECG of a patient with 100% Acute LAD Occlusion

Remember that RBBB normally has ST
100% Acute LAD Occlusion ... STEMI Criteria misses ... EM_RESUS #LAD #Occlusion ... #Electrocardiogram ... #Clinical #Cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
aVR • Classic EKG ... more of AVRT in WPW ... #electrocardiogram ... #differential # ... cardiology
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
- LAD: Inf Ml, WPW ... Short QT <300-360 ms ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #interpretation
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
+ negative T WPW ... #EKG #Checklist ... #diagnosis #cardiology ... #electrocardiogram ... #differential
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
abberancy - N B Afib + WPW ... bradyarrhythmia #ECG ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #differential
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
segment at (or 40-60 ms ... • Sgarbossa criterion ... #EKG #diagnosis ... #differential # ... cardiology #electrocardiogram
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
due to vascular occlusion ... Marantic (NTBE) Differential ... -> TEE • Duke Criteria ... ↑ ESR, CRP • EKG ... diagnosis #management #cardiology