7 results
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
other causes of cardio-pulmonary ... ) • Atrial Arrhythmia ... a result of atrial ... AcutePE #diagnosis #cardiology ... #electrocardiogram
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
in 10s x 6 2) Rhythm ... (e.g. ectopic atrial ... rhythm • No ... #Electrocardiogram ... #cardiology #diagnosis
Approach to the Hypercoagulable State
Arterial thromboembolism
→ Cardiac rhythm monitoring, Echocardiogram, Vascular imaging
→ Test for APS, particularly
thromboembolism → Cardiac ... rhythm monitoring ... , Echocardiogram ... • Provoked (e.g ... hematology #diagnosis #algorithm
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
QRS in 6s x 10 Rhythm ... : WPW, ectopic atrial ... Short QT <300-360 ms ... #electrocardiogram ... #cardiology #interpretation
Chest Pain / ACS Evaluation Algorithm
Algorithm that attempts to the use history taking (guided by LRs),
Ask about: - Changes ... (+LR 2.6) - Cardiac ... - History - EKG ... findings - Age ... #cardiology #Angina
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
CARDIAC POWER OUTPUT ... correlate in the SHOCK trial ... with irregular rhythms ... much as 40% in cardiac ... Ahmed Ghoneem, MD MSc
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
specific questions to ask ... overload, irregular rhythm ... exam Determine Cardiac ... event, follow ACC algorithm ... postoperative cardiac