14 results
Wellens' Sign: LAD-T Wave Inversion 
Life threatening T wave inversions in precordial leads. Often V2-V3 
Specific
with history of angina ... are crucial. ... Wellens #Sign #EKG ... #ECG #Electrocardiogram ... #Diagnosis #Cardiology
Acute Coronary Syndrome (ACS) Definitions - Stable Angina, Unstable Angina, NSTEMI, STEMI
1 STABLE ANGINA - Angina
rapidly over a short ... in transmural injury ... is reflected by ECG ... #Diagnosis #Cardiology ... Text: The Only EKG
Vasospastic (Prinzmetal) Angina
Definition / Epidemiology:
 • Rest angina attributed to coronary artery vasospasm.
 • Patients often
younger than other ACS ... microvascular injury ... troponin elevation Diagnosis ... changes on tele/ECG ... #cardiology #diagnosis
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... Subepicardial atrial injury ... aVR • Classic EKG ... #AVR #leadAVR #ecg ... #ekg #differential
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
carpal bones should ... • Due to injury ... carpal bones should ... Scaphoid #Carpal #Radiology ... #Sports #MSK
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 ... Interpretation #differential
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Diagnosis Framework ... segments and T waves should ... Prinzmetal's Angina ... #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Peripartum Cardiomyopathy - Summary
1. Definition
 • Towards the end of pregnancy to 5 months postpartum
Differential Diagnosis ... cardiomyopathy (e.g ... hemodynamics (e.g ... LVEF recovery (e.g ... teratogenic GDMT meds (e.g
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
indicated • EKG ... Obtain EKG if: ... Intraabdominal - Orthopedic ... Unstable Angina ... stratification #diagnosis
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
Lactic Acidosis - Differential ... by excretion (e.g ... its metabolism (e.g ... liver or renal injury ... lactate and can act