A 53-Year-Old Man Comes to the Emergency Department Due to Squeezing

question 113

Multiple Choice

A 53-year-old man comes to the emergency department due to squeezing chest pain that started 2 hours ago.  He also has severe shortness of breath that is worse when lying down.  He has never had pain like this before.  He has no significant medical history and takes no medications.  A routine health maintenance visit 2 weeks ago was normal.  Blood pressure is 112/60 mm Hg, and pulse is 110/min and regular.  Chest auscultation reveals a grade III/VI holosystolic murmur at the cardiac apex and bibasilar crackles in the lungs.  ECG shows ST segment elevations in II, III, and aVF.  Which of the following is most likely to be significantly increased in this patient?

• A)Cardiac output
• B)Left atrial compliance
• C)Left atrial size
• D)Left ventricular compliance
• E)Left ventricular filling pressure

Recognize the implications of significant and non-significant variances in real-world scenarios.

Analyze statistical data to make informed decisions.

Understand and analyze personality traits using Cattell's trait theory.

Differentiate between source traits and surface traits according to Cattell's theory.

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Definitions:

Special Order

A one-time order that is not considered part of the company’s normal ongoing business.

Variable Cost

A cost that varies, in total, in direct proportion to changes in the level of activity. A variable cost is constant per unit.

Discount

A reduction from the usual cost of something, often applied to encourage sales or provided for early payment.

Net Operating Income

A company's total earnings from its operations, excluding taxes and other non-operational expenses, indicating the profitability of core business activities.