11 results
Negative contrast effect = a washout of the contrast (agitated saline) in the right atrium in
Negative contrast ... contrast (agitated saline ... ) in the right atrium ... septal #defect #a4c ... clinical #cardiology #pocus
Apical 4-chamber (A4) Apical 4 Chamber view demonstrating the right ventricle (RV), right atrium (RA), left
Apical 4-chamber (A4 ... ventricle (RV), right atrium ... (LV) and left atrium ... EM #Cardiology #POCUS ... #FourChamber #ALiEM
Confirmation that central line is placed on the venous side by visualizing echogenic air bubbles in
bubbles in right atrium ... Simply use the 5cc saline ... #confirmation #saline ... Echocardiogram #POCUS ... #criticalcare #S4C
A-Lines vs B-Lines on Lung POCUS
A-Lines:
 • Predominately horizontal lines
 • A-lines are repeated horizontal &
on Lung POCUS ... Commonly seen in pulmonary ... @MCW_EM_US #ALines ... POCUS #pulmonary ... #clinical #comparison
Negative Contrast Effect in Right Atrium - Differential Diagnosis
1. Small secundum ASD or PFO with left
Negative Contrast ... Effect in Right Atrium ... opacification by agitated saline ... echocardiogram #s4c ... #pocus #bubble
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
specific to HPS alone ... cycles after right atrial ... Arterial blood gas (ABC ... cirrhosis • Intra-pulmonary ... perfusion scanning or pulmonary
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Libman Sacks) • Atrial ... Hypercoagulable (APLAS) Microbiology ... • Coagulase-negative ... Cerebral > Splenic, pulmonary
Double Shunt on Echocardiogram
What do you see on this saline contrast study, in a patient with
you see on this saline ... liver disease and pulmonary ... as RAP>LAP as atrial ... Echocardiogram #clinical #pocus ... #a4c #intrapulmonary
CT and ultrasonographic features of COVID-19 pneumonia
Lung CT:
 - Thickened pleura
 - Ground glass shadow and
and effusion - Pulmonary ... lobes affected - Negative ... - Confluent B lines ... patients with pulmonary ... ChestCT #Ultrasound #POCUS
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
Libman Sacks) • Atrial ... Hypercoagulable (APLAS) Microbiology ... aureus, Coagulase-negative ... staphylococci Culture Negative ... Cerebral > Splenic, Pulmonary