4 results
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
Approach to ECGs ... 500 DANGER - Short ... QT <300-360 ms: ... #ECG #EKG #diagnosis ... electrocardiogram #cardiology
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
Approach to ECGs ... - Ischemia MI ... deWinter T waves - starts ... in avL - early inferior ... electrocardiogram #cardiology
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
MI • PAPi < 1.85 ... CARDIAC POWER OUTPUT ... much as 40% in cardiac ... pulmonary #artery #catheter ... #diagnosis #cardiology
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
indicated • EKG ... Obtain EKG if: ... Intraabdominal - Orthopedic ... one post op Cardiology ... events or death (CARP