13 results
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
= Biomarkers + ECG ... #Ischemia #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology ... #Interpretation
Algorithm for the Evaluation of Regular, Wide-Complex Tachycardia
1. aVR: Is the initial deflection in aVR positive?
Algorithm for the Evaluation ... same polarity) in all ... #Interpretation ... #ECG #EKG #Electrocardiogram ... #Diagnosis #Cardiology
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
on ECG • Conventional ... after) the J point ... #Equivalents #ECG ... #EKG #diagnosis ... #differential #cardiology
Chest Pain / ACS Evaluation Algorithm
Algorithm that attempts to the use history taking (guided by LRs),
Evaluation Algorithm ... Ask about: - Changes ... - History - EKG ... #Evaluation #diagnosis ... #Algorithm #cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... junction origin (e.g ... @AmyChung #EKG ... #ECG #Electrocardiogram ... #cardiology #diagnosis
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
Short QT <300-360 ms ... #Approach #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology ... #interpretation
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 ... Prinzmetal #Angina #cardiology
Algorithm for choosing the appropriate candidate for stress testing in patients with suspected coronary artery disease
suspected coronary artery ... (MI = myocardial ... metabolic equivalent; ECG ... Shows the diagnosis ... guidelines for the evaluation
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
- Differential Diagnosis ... Framework STEMI ... • Epicardial artery ... #cardiology #ecg ... #ekg #electrocardiogram
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
Preoperative Risk Evaluation ... indicated • EKG ... Obtain EKG if: ... one post op Cardiology ... stratification #diagnosis