12 results
Myocardial infarction localization. A 12 lead EKG creates a 360 degree view of the electrical activity
A 12 lead EKG creates ... Contiguous leads ... lead (aVR stands ... #EKG #diagram #Electrocardiogram ... #STEMI #Localization
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 ... #Ischemia #ECG ... #EKG #diagnosis
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
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... descending (LAD ... aVR • Classic EKG ... only looks at aVR lead ... #AVR #leadAVR #ecg
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
on ECG • Conventional ... elevation in 3 contiguous ... leads) #STEMI ... #Equivalents #ECG ... #EKG #diagnosis
There is inferior ST elevation with reciprocal ST depression in aVL and  in lead I,
There is inferior ... in aVL and in lead ... suggestive of STEMI ... #Clinical #EM #Cardiology ... #EKG #STEMI #Inferior
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
ventricle pacing lead ... QRS complex Pulmonary ... • Epicardial artery ... differential #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
- Pulmonary Artery ... RV dysfunction. e.g ... forward flow. e.g ... consumption) can lead ... #diagnosis #cardiology
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Cerebral > Splenic, pulmonary ... occlusion that may lead ... Infectious insult that leads ... ↑ ESR, CRP • EKG ... diagnosis #management #cardiology
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
Physical exam • 12-lead ... ECG • Limited ... Valvular disease (e.g ... Pheochromocytoma • Pulmonary ... #Palpitations #Cardiology