96 results
Right Sided ECG Lead Placement #EM #IM #Cardiology #EKG #Lead #Placement #RightSided #LeadPlacement #ECGEducator
Right Sided ECG ... Lead Placement # ... EM #IM #Cardiology ... #EKG #Lead #Placement
Note there is ST depression in aVR, a true sign of Left Main occlusion.  Many
Note there is ST ... aVR is a good ECG ... #Clinical #EM #IM ... #Cardiology #EKG ... #STElevations #STE
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
= Biomarkers + ECG ... have no pain - LAD ... avR - proximal LAD ... wave inversion in avL ... #EKG #diagnosis
De Winter T Wave ECG Pattern 
STEMI Equivalent - Left anterior descending (LAD) occlusion 

1) Upsloping
Winter T Wave ECG ... anterior descending (LAD ... 1) Upsloping ST ... (>= 1 mm) 2) ST ... #EKG #Electrocardiogram
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... anterior descending (LAD ... elevation in ACS ... aVR instead of ACS ... aVR • Classic EKG
ECG of a 55-year-old man who presented to the ER with chest pain 
Computer interpretation: “Nonspecific
ECG of a 55-year-old ... Reciprocal STD in ... I & aVL 4. ... Biphasic T-wave in aVL ... Clinical #Cardiology #EKG
Here’s an ECG of a patient with 100% Acute LAD Occlusion

Remember that RBBB normally has ST
Here’s an ECG of ... with 100% Acute LAD ... an isolectric ST ... @EM_RESUS #LAD ... #EKG #Electrocardiogram
Progression of EKG changes in ACS
 • Hyperacute T waves
 • ST depression and T waves
Progression of EKG ... changes in ACS ... Hyperacute T waves • ST ... waves changes • ST ... #ACS #ECG #electrocardiogram
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
> 1 mm in any lead ... b) Concordant STD ... wave > 25% in any lead ... Diagnosis #Checklist #EKG ... electrocardiogram #ecg
De Winter's T Waves

Concerning for proximal LAD occlusion (Present in 2% of patients)
 • Upsloping ST-Depression
Concerning for proximal LAD ... V1-V4 without STE ... in lead aVR ± aVL ... DeWinters #TWaves #EKG ... #ECG #diagnosis