12 results
Myocardial infarction localization. A 12 lead EKG creates a 360 degree view of the electrical activity
A 12 lead EKG creates ... leads), I & aVL ... no contiguous lead ... #STEMI #Localization ... EinthovenTriangle #Cardiac
Right sided ECG leads (V1R-V6R) are positioned in a mirror image fashion to the standard 12-lead
leads (V1R-V6R) ... the standard 12-lead ... (RV) infarcts #EM ... #EKG #Lead #Placement ... #ALiEM
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 ... Equivalent - Left anterior ... descending (LAD ... ST elevation in aVR ... in precordial leads
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
height of QRS in 2 leads ... - 2 contiguous leads ... in precordial leads ... have no pain - LAD ... infarct, get a 15 lead
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
EKG in Acute Pulmonary ... other causes of cardio-pulmonary ... leads) RV Ischemia ... Right Precordial Leads ... Right Precordial Leads
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
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
PPD • Opposing leads ... ventricle pacing lead ... placement results ... QRS complex Pulmonary ... differential #diagnosis #cardiology
Pulmonary Embolism on ECG 

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
Pulmonary Embolism ... inversions V1-V4 plus inferior ... leads (II, III, ... AVF)(pattern seen ... #clinical #cardiology