11 results
3 ECG patterns for Acute Occlusion MI (OMI) without meeting ST elevation criteria
 • Posterior MI
without meeting ST ... MyocardialInfarction #OMI #STEMI ... equivalent #diagnosis #cardiology ... #electrocardiogram ... #ecg #ekg
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
deWinter T waves - starts ... in V1, unless LBBB ... #ECG #EKG #diagnosis ... #electrocardiogram ... #cardiology #STEMI
Here’s an ECG of a patient with 100% Acute LAD Occlusion

Remember that RBBB normally has ST
Remember that RBBB ... normally has ST ... STEMI Criteria misses ... #EKG #Electrocardiogram ... #Clinical #Cardiology
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
for diagnosing MI ... Discordance" = ST ... Criteria - Suspect STEMI ... #electrocardiogram ... #ecg #cardiology
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
(or 40-60 ms after ... deviation) • Acute ischemia ... #EKG #diagnosis ... #differential #cardiology ... #electrocardiogram
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
Incomplete or Complete RBBB ... leads) RV Ischemia ... • Non-specific ST-T ... AcutePE #diagnosis #cardiology ... #electrocardiogram
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
500 DANGER - Short ... QT <300-360 ms: ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #interpretation
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
imitator" • ↓ K - ST ... long QT via long ST ... #EKG #Checklist ... #diagnosis #cardiology ... #electrocardiogram
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Diagnosis Framework STEMI ... morphology similar to LBBB ... #STEMI #Segment ... differential #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... progression ST ... between QRS and ST ... #Electrocardiogram ... #cardiology #diagnosis