9 results
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 ... instead of ACS. ... • Classic EKG ... #AVR #leadAVR #ecg
Myocardial infarction localization. A 12 lead EKG creates a 360 degree view of the electrical activity
A 12 lead EKG creates ... #EKG #diagram #Electrocardiogram ... #STEMI #Localization ... EinthovenTriangle #Cardiac ... EmergencyMedicine #Cardiology
Myocarditis
Diagnosis 
• Endomyocardial biopsy (gold standard, rarely performed) 
• Clinical presentation 
• Cardiovascular MRI 
Clinical 
•
Cardiovascular MRI ... Unexplained sinus tachycardia ... gallop • Abnormal ECG ... Elevated troponin • Cardiogenic ... shock, sudden cardiac
Chest Pain / ACS Evaluation Algorithm
Algorithm that attempts to the use history taking (guided by LRs),
Chest Pain / ACS ... to identifying ACS ... (+LR 2.6) - Cardiac ... - History - EKG ... #ChestPain #ACS
Severe Heart Failure & Cardiogenic Shock - Management Checklist 
Evaluation 
 - EKG & echocardiography
Evaluation - EKG ... Nephrotoxins (e.g ... NSAlDs, ACE-inhibitors ... channel blocker (eg ... #HeartFailure #Cardiology
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
mortality in inferior MI ... RV dysfunction. e.g ... CARDIAC POWER OUTPUT ... forward flow. e.g ... catheter #diagnosis #cardiology
Compelling and Possible Contraindications to Antihypertensive Drugs
Diuretics (thiazides)
 - Gout
 - Metabolic syndrome, Glucose intolerance, Pregnancy,
receptor antagonists (MRA ... ARB, diabetes) ACE ... dihydropyridines) - Tachycardia ... /arrhythmia, Heart ... Pgp-dependent drugs (e.g
Peripartum Cardiomyopathy - Summary
1. Definition
 • Towards the end of pregnancy to 5 months postpartum
cardiomyopathy (e.g ... • Avoid ARB/ACE-I ... hemodynamics (e.g ... LVEF recovery (e.g ... ., ACE/ARB) need
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
dependent DM ACS ... indicated • EKG ... Obtain EKG if: ... indication of AC ... • <12mo since ACS