6 results
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
Approach to ECGs ... : WPW, ectopic atrial ... Short QT <300-360 ms ... Wong @mchlwng #Approach ... #ECG #EKG #diagnosis
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... (3) SVTs - atrial ... #EKG #diagnosis ... electrocardiogram #cardiology ... #differential
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 ... - History - EKG ... ACS #Evaluation #diagnosis ... #Algorithm #cardiology
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 ... #EKG #diagnosis ... Interpretation #differential
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
mortality in inferior MI ... correlate in the SHOCK trial ... Ahmed Ghoneem, MD MSc ... pulmonary #artery #catheter ... #diagnosis #cardiology
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
event, follow ACC algorithm ... indicated • EKG ... Obtain EKG if: ... risk Chest X-ray ... stratification #diagnosis