11 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 ... #STEMI #Localization ... EmergencyMedicine #Cardiology
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
/UA - 2 contiguous ... have no pain - LAD ... avR - proximal LAD ... infarct, get a 15 lead ... electrocardiogram #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
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
at (or 40-60 ms after ... elevation in 3 contiguous ... leads) #STEMI ... #EKG #diagnosis ... #differential #cardiology
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
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... main coronary artery ... (LMCA). left anterior ... descending (LAD ... only looks at aVR lead
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
 •
Right Heart Catheterization ... - Pulmonary Artery ... in-hospital mortality in inferior ... 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 ... Pheochromocytoma • Pulmonary ... Standing up straight after ... #Palpitations #Cardiology