13 results
Lead aVR on EKG
Lead aVR can provide some unique insight into 5 different conditions:

 - Acute
Lead aVR on EKG ... Lead aVR can provide ... #Diagnosis #Cardiology ... #EKG #ECG #Lead ... ALiEM
De Winter T Wave ECG Pattern 
STEMI Equivalent - Left anterior descending (LAD) occlusion 

1) Upsloping
Pattern STEMI ... descending (LAD ... ST elevation in aVR ... in precordial leads ... #Criteria
Myocardial infarction localization. A 12 lead EKG creates a 360 degree view of the electrical activity
A 12 lead EKG creates ... as you can see aVR ... no contiguous lead ... #STEMI #Localization ... EmergencyMedicine #Cardiology
Right sided ECG leads (V1R-V6R) are positioned in a mirror image fashion to the standard 12-lead
the standard 12-lead ... (RV) infarcts #EM ... #Cardiology #RightSided ... #EKG #Lead #Placement ... #ALiEM
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... artery (LMCA). left anterior ... descending (LAD ... lead. ... #differential #cardiology
Posterior ECG leads (V7-V9) are applied by moving V4-V6 to under the left scapula.Purpose: To detect
Posterior ECG leads ... lateral wall AMI #EM ... #Cardiology #Posterior ... #EKG #Lead #Placement ... #ALiEM
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
have no pain - LAD ... - proximal LAD ... infarct, get a 15 lead ... #EKG #diagnosis ... electrocardiogram #cardiology
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
Capture: Narrow, different ... - Suspect STEMI ... > 1 mm in any lead ... wave > 25% in any lead ... #cardiology #lbbb
There is inferior ST elevation with reciprocal ST depression in aVL and  in lead I,
There is inferior ... depression in aVL ... and in lead I, ... #Clinical #EM #Cardiology ... #EKG #STEMI #Inferior
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
ST elevation in aVR ... • Sgarbossa criterion ... leads) #STEMI ... #EKG #diagnosis ... #differential #cardiology