13 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 ... Text: The Only EKG
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... includes ACS vs ... instead of ACS. ... • Classic EKG ... #AVR #leadAVR #ecg
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
Chest Pain / ACS Evaluation Algorithm
Algorithm that attempts to the use history taking (guided by LRs),
Chest Pain / ACS ... to identifying ACS ... - History - EKG ... #ChestPain #ACS ... #Angina
Vasospastic (Prinzmetal) Angina
Definition / Epidemiology:
 • Rest angina attributed to coronary artery vasospasm.
 • Patients often
younger than other ACS ... Pathophysiology: ... troponin elevation Diagnosis ... changes on tele/ECG ... #cardiology #diagnosis
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... (e.g. ectopic atrial ... • Lateral (I + aVL ... @AmyChung #EKG ... Interpretation #ECG
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
on ECG • Conventional ... of the leads l, aVL ... #Equivalents #ECG ... #EKG #diagnosis ... #differential #cardiology
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
boxes) - HiPR: AV ... : WPW, ectopic atrial ... #Approach #ECG ... #EKG #diagnosis ... electrocardiogram #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 ... #cardiology #ecg ... #ekg #electrocardiogram
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
dependent DM ACS ... indicated • EKG ... Obtain EKG if: ... indication of AC ... • <12mo since ACS