10 results
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
Approach to ECGs ... 1/3 height of QRS ... or bigger than QRS ... #electrocardiogram ... #cardiology #STEMI
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
Approach to ECGs ... Short QT <300-360 ms ... Wong @mchlwng #Approach ... #electrocardiogram ... #cardiology #interpretation
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
Approach to ECGs ... SVT with BBB All ... VentricularTachycardia #Versus #ecg ... #ekg #cardiology ... #diagnosis #electrocardiogram
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 ... #differential #cardiology ... #electrocardiogram
The JT Interval and Pro-Arrhythmic Risk
Measured from the J-point to the end of the T-wave, the
JTc=QTc-QRS When ... ≥120 ms Rachel ... JTInterval #QTc #electrocardiogram ... #pathophysiology ... #ekg #ecg #cardiology
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
for diagnosing MI ... Criteria - Suspect STEMI ... Diagnosis #Checklist #EKG ... #electrocardiogram ... #ecg #cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
• Lateral (I + aVL ... Normal: Upright in all ... Interpretation #ECG ... #Electrocardiogram ... #cardiology #diagnosis
Chest Pain / ACS Evaluation Algorithm
Algorithm that attempts to the use history taking (guided by LRs),
taking (guided by LRs ... score to guide an approach ... Ask about: - Changes ... - History - EKG ... diagnosis #Algorithm #cardiology
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Diagnosis Framework STEMI ... in aVR, not in aVL ... STElevation #ST #STEMI ... differential #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
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