8 results
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... ST elevation in ACS ... diagnosis includes ACS ... instead of ACS. ... #AVR #leadAVR #ecg
Inpatient Cath Lab Indications
Cath Lab ASAP:
STEMI
NSTEMI:
1. Unstable/cardiogenic shock
2. Severe LV dysfunction or
3. Recurrent/persistent rest angina despite
ASAP: STEMI NSTEMI ... low (1-2) risk, +ECG ... #Indications #Cardiac ... #catheterization ... #cardiology
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
= Biomarkers + ECG ... wave inversion in avL ... #Ischemia #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology
Myocardial infarction localization. A 12 lead EKG creates a 360 degree view of the electrical activity
A 12 lead EKG creates ... #EKG #diagram #Electrocardiogram ... #STEMI #Localization ... EinthovenTriangle #Cardiac ... EmergencyMedicine #Cardiology
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
on ECG • Conventional ... ST elevation in aVR ... of the leads l, aVL ... #Equivalents #ECG ... #EKG #diagnosis
Vasospastic (Prinzmetal) Angina
Definition / Epidemiology:
 • Rest angina attributed to coronary artery vasospasm.
 • Patients often
younger than other ACS ... Pathophysiology: ... changes on tele/ECG ... tests in cath lab ... Prinzmetal #Angina #cardiology
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
mortality in inferior MI ... RV dysfunction. e.g ... CARDIAC POWER OUTPUT ... forward flow. e.g ... catheter #diagnosis #cardiology
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
, not in aVL • ... , not in aVL, when ... lateral leads (I, aVL ... • Epicardial artery ... #ecg #ekg #electrocardiogram