13 results
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
EKG in Acute Pulmonary ... also a result of atrial ... Changes • STE in aVR ... #EKG #Pulmonary ... diagnosis #cardiology #electrocardiogram
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... Subepicardial atrial ... • Classic EKG ... #electrocardiogram ... #differential #
The 3 Fates of a Premature Atrial Complex
 • PAC can be conducted with normal QRS
of a Premature Atrial ... but finds the right ... bundle branch refractory ... #ecg #electrocardiogram ... #premature #atrial
Negative Contrast Effect in Right Atrium - Differential Diagnosis
1. Small secundum ASD or PFO with left
in Right Atrium ... Small secundum ASD ... #Right #Atrium ... echocardiogram #s4c ... #pocus #bubble
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
cardiac cycles after right ... atrial passage ... gas (ABC) analysis ... cirrhosis • Intra-pulmonary ... perfusion scanning or pulmonary
Pulmonary Arterial Catheterization – Use and Interpretation:
-Pulmonary arterial catheterization (PAC) has never been shown to improve
Pulmonary Arterial ... cardiogenic shock (eg ... wedge pressure) -right ... #NormalValues #Differential ... PCWP #Pressures #SVR
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
Right Heart Catheterization ... RV dysfunction. e.g ... correlate in the SHOCK trial ... ., PE, right heart ... @a_h_ghoneem #Right
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Segment Elevation - Differential ... depression in aVR ... depression in aVR ... QRS complex Pulmonary ... #ekg #electrocardiogram
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
(assumes Room Air ... Age-Adjusted Gradient • Right ... • Diffusion Defect ... Gradient #alveolar #arterial ... #hypoxemia #differential
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Libman Sacks) • Atrial ... Cerebral > Splenic, pulmonary ... Marantic (NTBE) Differential ... ↑ ESR, CRP • EKG ... • Left sided > Right