11 results
Hypothermia on EKG
 • J (Osborn) waves
 • PR, QRS, and QT prolongation
 • Various bradyarrythmias
Hypothermia on EKG ... . sinus bradycardia ... osborn #waves #EKG ... #ECG #electrocardiogram ... #cardiology #diagnosis
Hyperkalemia on EKG
"Mild" Hyperkalemia
 • Peaked, narrow-based T Waves
 • Double counting of HR by EKG
Hyperkalemia on EKG ... QRS widening • Sinus ... bradycardia • ... #ECG #electrocardiogram ... #cardiology #diagnosis
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
bradycardia ... #Tachycardia #Bradycardia ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #differential
Myocarditis
Diagnosis 
• Endomyocardial biopsy (gold standard, rarely performed) 
• Clinical presentation 
• Cardiovascular MRI 
Clinical 
•
Myocarditis Diagnosis ... Cardiovascular MRI ... • Unexplained sinus ... gallop • Abnormal ECG ... #Management #Cardiology
Cardiac Stress Testing
Exercise:
 • Everyone who can exercise should!
 • They must be able to raise
Contraindications: - Bradycardia ... : EKG ($), ECHO ... ($$$), PET CT/MRI ... Stress #Testing #cardiology ... #management #diagnosis
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... hypokalaemia or bradycardia ... @AmyChung #EKG ... #Electrocardiogram ... #cardiology #diagnosis
Intraoperative  Bradycardia - Guidelines for Crises in Anaesthesia
Bradycardia in theatre should not be treated as
no pulse OR not sinus ... pulse present AND sinus ... Intraoperative #Checklist #Diagnosis ... #Management #Workup ... #Cardiology
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
Diagnosis Summary ... Block • During sinus ... blocks #AVBlock #cardiology ... #ekg #ecg #diagnosis ... #electrocardiogram
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
- RAD: AntLat MI ... Short QT <300-360 ms ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #interpretation
Ectopic atrial rhythm
 • The atrial rate is less than 100 bpm.
 • PR interval within
P wave during sinus ... rhythm if the PRI ... atrial #rhythm #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram