9 results
Note there is ST depression in aVR, a true sign of Left Main occlusion.  Many
Note there is ST ... authors state that ST ... aVR is a good ECG ... #Clinical #EM #IM ... #STElevations #STE
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
in relation to ECG ... sensitive finding) • TWI ... • Non-specific ST-T ... Changes • STE ... diagnosis #cardiology #electrocardiogram
The ECG shows ST elevation (STE) across the precordium, highest in V2 and V3. There are
The ECG shows ST ... elevation (STE) ... morphology") #Clinical #EM ... #Cardiology #EKG ... #Aneurysm #LVAneurysm
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
Approach to ECGs ... = Biomarkers + ECG ... 0.5mm downgoing ST ... #Ischemia #ECG ... #electrocardiogram
Benign T-wave Inversion (BTWI) vs. Wellens'
 • Usually in leads V3-V6 (vs. V2-V4 in Wellens'), but
T-wave Inversion (BTWI ... precordium often has STE ... Twave #Inversion #BTWI ... #EKG #ECG #diagnosis ... #cardiology #electrocardiogram
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
Approach to ECGs ... imitator" • ↓ K - ST ... long QT via long ST ... Brugada 1 - Coved STE ... diagnosis #cardiology #electrocardiogram
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Upsloping convex STE ... Short QT LV Aneurysm ... Other Causes - STE ... diagnosis #cardiology #ecg ... #ekg #electrocardiogram
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
Discordance" = ST ... a) Concordant STE ... V1-V3 c) STE ... #electrocardiogram ... #ecg #cardiology
De Winter's T Waves

Concerning for proximal LAD occlusion (Present in 2% of patients)
 • Upsloping ST-Depression
• Upsloping ST-Depression ... V1-V4 without STE ... leads V1-V4 • STE ... #ECG #diagnosis ... #cardiology #electrocardiogram