6 results
Vasospastic (Prinzmetal) Angina
Definition / Epidemiology:
 • Rest angina attributed to coronary artery vasospasm.
 • Patients often
attributed to coronary artery ... younger than other ACS ... Pathophysiology: ... changes on tele/ECG ... #cardiology #diagnosis
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
- Ischemia MI ... = Biomarkers + ECG ... wave inversion in avL ... depression in VI-V2 - posterior ... electrocardiogram #cardiology
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
segment at (or 40-60 ms ... after) the J point ... elevation in aVR • Posterior ... of the leads l, aVL ... #differential #cardiology
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
may precede the neurologic ... bone marrow or stem ... Etiology: • Pathophysiology ... Vascular narrowing on MRA ... circulation: MCA ACA
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Diagnosis Framework STEMI ... Prinzmetal's Angina ... • Epicardial artery ... differential #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
complete paralysis of all ... earlier than one after ... the underlying pathophysiology ... - Spinal MRI may ... diagnosis #management #neurology