11 results
Acute Coronary Syndrome (ACS) Definitions - Stable Angina, Unstable Angina, NSTEMI, STEMI
1 STABLE ANGINA - Angina
Coronary Syndrome (ACS ... is reflected by ECG ... #Diagnosis #Cardiology ... #ACS #Unstable ... #Angina #NSTEMI
Inpatient Cath Lab Indications
Cath Lab ASAP:
STEMI
NSTEMI:
1. Unstable/cardiogenic shock
2. Severe LV dysfunction or
3. Recurrent/persistent rest angina despite
Cath Lab ASAP: STEMI ... persistent rest angina ... New/worsening MR ... low (1-2) risk, +ECG ... catheterization #cardiology
Vasospastic (Prinzmetal) Angina
Definition / Epidemiology:
 • Rest angina attributed to coronary artery vasospasm.
 • Patients often
Vasospastic (Prinzmetal) Angina ... 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
Approach to ECGs ... - Ischemia MI ... wave inversion in avL ... early inferior MI ... electrocardiogram #cardiology
Chest Pain / ACS Evaluation Algorithm
Algorithm that attempts to the use history taking (guided by LRs),
Chest Pain / ACS ... Ask about: - Changes ... - History - EKG ... diagnosis #Algorithm #cardiology ... #Angina
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
on ECG • Conventional ... segment at (or 40-60 ms ... of the leads l, aVL ... #Equivalents #ECG ... #differential #cardiology
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Diagnosis Framework STEMI ... Prinzmetal's Angina ... STElevation #ST #STEMI ... differential #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Pathophysiology ... complete paralysis of all ... Electrodiagnostic studies - EMG ... axonal form • MRI ... management #treatment #neurology
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
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
complete paralysis of all ... the underlying pathophysiology ... demyelinating or axonal • MRI ... - Spinal MRI may ... diagnosis #management #neurology