Adult Echocardiography Practice Exam

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Prepare for the Adult Echocardiography Exam with flashcards and multiple choice questions. Each question includes hints and explanations to help you understand the concepts better. Ready yourself for success!

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What is the direction of flow associated with an atrial septal defect as seen in TEE imaging?

  1. Blue towards the transducer, red away

  2. Green away, blue towards the transducer

  3. Red away, yellow towards the transducer

  4. Blue away, red towards the transducer

The correct answer is: Red away, yellow towards the transducer

In transesophageal echocardiography (TEE), the direction of blood flow is indicated by color Doppler imaging, where red typically signifies flow towards the transducer and blue indicates flow away from it. An atrial septal defect (ASD) allows blood to shunt from the left atrium to the right atrium, leading to increased flow into the right atrium. In TEE imaging of an ASD, the flow from the left atrium into the right atrium will be visualized as red, demonstrating flow towards the transducer. Conversely, the flow out of the right atrium into the right ventricle will be visualized in blue, indicating flow away from the transducer. Thus, the correct representation captures the characteristics of an ASD accurately, where red signifies the increased flow of oxygenated blood from the left atrium into the right atrium, while blue represents the normal flow moving away from the transducer.

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