A 50-Year-Old Man Is Being Evaluated After a Myocardial Infarction

question 144

Multiple Choice

A 50-year-old man is being evaluated after a myocardial infarction, he states that he has felt recently a difficulty of breathing and fatigue. He sleeps using 2 pillow to help relieve dyspnea during night. He has a significant history of hypertension and diabetes mellitus. On cardiac auscultation, a low-frequency diastolic heart sound is heard shortly after the second heart sound when the patient lies in the left lateral decubitus position. Cardiac imaging shows hypokinesis of the left ventricular free wall. Which of the following is most likely to accentuate this patient's abnormal auscultation finding?

• A)Amyl nitrite inhalation
• B)Furosemide injection
• C)Having the patient stand up
• D)Listening at end expiration
• E)Valsalva strain phase

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Definitions:

Neural Communication

The process by which neurons transmit signals to each other through synapses, enabling the functioning of the nervous system.

Associative Learning

A learning process in which a new response becomes associated with a particular stimulus, forming a connection between behavior and consequences or between stimuli in classical and operant conditioning.

Non-associative Learning

A type of learning in which an organism’s response to a stimulus changes in the absence of any association with a positive or negative reinforcement.

Sensitization

An increased reaction to a stimulus following repeated exposure to it, often used in the context of allergic reactions or drug tolerance.