16 results
Chest Pain / ACS Evaluation Algorithm
Algorithm that attempts to the use history taking (guided by LRs),
Chest Pain / ACS ... score to guide an approach ... to identifying ACS ... - History - EKG ... #ChestPain #ACS
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... ST elevation in ACS ... diagnosis includes ACS ... aVR instead of ACS ... aVR • Classic EKG
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 ... #ECG #EKG #diagnosis ... #electrocardiogram ... #cardiology #interpretation
TiMi and GRACE Risk scores for mortality in Acute Coronary Syndrome (ACS). 

Abbreviations: ACS, acute coronary
(ACS). ... Abbreviations: ACS ... Cr, creatinine; ECG ... , electrocardiogram ... #Diagnosis #Cardiology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Syndrome ... Pathophysiology ... complete paralysis of all ... Electrodiagnostic studies - EMG ... axonal form • MRI
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
Approach to ECGs ... = Biomarkers + ECG ... #Ischemia #ECG ... #EKG #diagnosis ... #electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... (2) Sick Sinus Syndrome ... bradyarrhythmia #ECG ... #EKG #diagnosis ... #electrocardiogram
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... junction origin (e.g ... within the atria (e.g ... @AmyChung #EKG ... Interpretation #ECG
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Guillain-Barré Syndrome ... Electrodiagnostic studies (Ex EMG ... the underlying pathophysiology ... or axonal • MRI ... - Spinal MRI may
Vasospastic (Prinzmetal) Angina
Definition / Epidemiology:
 • Rest angina attributed to coronary artery vasospasm.
 • Patients often
younger than other ACS ... Pathophysiology: ... changes on tele/ECG ... • Can perform ... Prinzmetal #Angina #cardiology