A 55-Year-Old Man Comes to the Emergency Department Due to Sudden-Onset

question 76

Multiple Choice

A 55-year-old man comes to the emergency department due to sudden-onset dyspnea.  Medical history is significant for hypertension, hyperlipidemia, type 2 diabetes mellitus, and chronic kidney disease.  The patient takes multiple medications and has no drug allergies.  He works for an international bank and returned from a business trip in Australia a day ago.  Blood pressure is 110/70 mm Hg and pulse is 110/min.  Physical examination shows a moderately overweight man with tachypnea.  The lungs are clear on auscultation.  ECG shows sinus tachycardia.  Ventilation/perfusion scanning is ordered.  Which of the following findings would help confirm the suspected diagnosis in this patient?

• A)Absence of ventilation and perfusion abnormalities
• B)An area showing both ventilation and perfusion defects
• C)A perfusion defect without an associated ventilation defect
• D)A ventilation defect without an associated perfusion defect
• E)Several small areas of matched perfusion and ventilation defects

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Definitions:

Entire Income

This term does not correspond to a specific economic concept; it might refer to total earnings or revenue of an individual or entity, but more context is needed for a precise definition. NO.

Uglifruits

A type of citrus fruit known for its unique appearance but sweet and tangy taste.

Breadfruits

A type of large, starchy tropical fruit, which can be used similarly to potatoes and is a staple food in many parts of the world.

Calorie Limit

A specified maximum number of calories to be consumed within a given period, often used for dietary planning or weight management.