Abstract
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Describe the role of transthoracic echocardiography (TTE) in diagnosing and monitoring cardiac tamponade.
Identify key echocardiographic findings indicative of cardiac tamponade and how they inform clinical decisions.
Summarize the processes and importance of a sonographer’s rapid communication of critical findings to healthcare teams during emergent situations.
When cardiac tamponade is suspected, which echocardiographic window should be used to quickly assess the right ventricular (RV) free wall and inferior vena cava (IVC)? A. Apical 4-chamber window B. Parasternal long-axis window C. Subcostal window D. Suprasternal notch window
In the context of cardiac tamponade, what does a dilated inferior vena cava (IVC) with <50% inspiratory collapse signify? A. Normal right atrial (RA) pressure B. Elevated RA pressure C. Normal cardiac function D. It is unrelated to pericardial effusion
What immediate action should a sonographer take if findings consistent with cardiac tamponade are observed during an exam? A. Wait for a cardiologist's interpretation B. Annotate the findings for later review but do not halt the exam C. Continue with the routine imaging D. Halt the exam and notify the physician immediately
What is the purpose of adding respiratory tracings to long sweep pulse wave Doppler studies of the mitral and tricuspid valves? A. To assess systolic function B. To demonstrate the heart's struggle against increasing external pressure from accumulating fluid in the pericardium C. To confirm normal diastolic pressure D. To identify coronary artery disease
Which three clinical signs make up Beck’s triad? A. Hypotension, jugular venous distension, and muffled heart sounds B. Hypotension, muffled heart sounds, and bradycardia C. Jugular venous distension, high systolic blood pressure, and tachycardia D. Bradycardia, muffled heart sounds, and hypotension
What should a sonographer do if they need to halt an exam due to findings of cardiac tamponade? A. Rush and finish the exam B. Stop the exam and don't worry about annotating why C. Complete the exam as usual; the full study is important D. Annotate the screen with "exam halted to notify physician of critical finding"
What is the normal volume of fluid typically found in the pericardial sac? A. 10 mL B. 20 mL C. 50 mL D. 100 mL
According to the case report in the article, what volume of fluid was drained during the emergency pericardiocentesis? A. 500 mL B. 1.0 L C. 1.5 L D. 2.0 L
What echocardiographic finding distinguishes cardiac tamponade from a simple pericardial effusion without hemodynamic compromise? A. Presence of septal flattening B. Diastolic collapse of the right ventricular (RV) free wall C. Minimal fluid accumulation D. Decreased LV function
What echocardiographic finding indicates a successful post-pericardiocentesis improvement during a follow-up transthoracic echocardiography (TTE)? A. Persistent diastolic collapse of the RV B. No diastolic collapse of the RV C. Elevated right atrial pressure D. Decreased left ventricular ejection fraction
Footnotes
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