13 results
Acute Coronary Syndrome (ACS) Definitions - Stable Angina, Unstable Angina, NSTEMI, STEMI
1 STABLE ANGINA - Angina
Coronary Syndrome (ACS ... at rest or progresses ... is reflected by ECG ... GrepMed Recommended Text ... : The Only EKG Book
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 ... NSTEMI: 1. ... Recurrent/persistent rest ... angina despite ... low (1-2) risk, +ECG
Vasospastic (Prinzmetal) Angina
Definition / Epidemiology:
 • Rest angina attributed to coronary artery vasospasm.
 • Patients often
Epidemiology: • Rest ... angina attributed ... younger than other ACS ... changes on tele/ECG ... perform provocative tests
Suspected ACS - OMI vs STEMI - Differential Algorithm

The name STEMI cognitively inspires EPs to fail
Suspected ACS - ... OMI vs STEMI - Differential ... segment is the only ECG ... EMN @EMNews #ACS ... #OMI #STEMI #Differential
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
= Biomarkers + ECG ... leads with STE in avR ... inversion - STE avR ... #EKG #diagnosis ... Interpretation #differential
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Ab to AChR blocks ... life-threatening Differential ... dystrophy - Brain stem ... /Edrophonium test ... Labs: - AchR antibodies
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
STEMI Equivalents ... STEMI - Elevation ... ST elevation in aVR ... #EKG #diagnosis ... #differential #
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Segment Elevation - Differential ... Diagnosis Framework STEMI ... Prinzmetal's Angina ... STElevation #ST #STEMI ... #ekg #electrocardiogram
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
dependent DM ACS ... determine if stress test ... indicated • EKG ... Obtain EKG if: ... Unstable Angina
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
bone marrow or stem ... circulation: MCA ACA ... Reversible course Differential ... • EEG: With persistent