A 60-Year-Old Man with a Known History of Chronic Obstructive

question 95

Multiple Choice

A 60-year-old man with a known history of chronic obstructive pulmonary disease is brough to the emergency department due to chest palpitation and lightheadeness. He has a histroy of multiple episodes of intermittent chest palpitations. His only medication is a tiotropium-formoterol inhaler. His pulse is 140/min and irregular. respiration is 17/min and blood pressure 118/72. Pulse oximetry on room air shows an oxygen saturation of 96%. Chest examination reveals no murmurs and the lungs are clear on auscultation. There is trace peripheral edema. Cardiac rhythm strip obtained in the emergency department is shown in the exhibit.
Aberrant electrical activity in which of the following anatomic structures is the most likely trigger for this patient's current condition?

• A)Crista terminalis
• B)Papillary muscles
• C)Pulmonary veins
• D)Right ventricular outflow tract
• E)Sinoatrial node
• F)Tricuspid valve annulus

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Definitions:

Consistency

In accounting, the principle that mandates the use of the same accounting methods and practices over time for financial reporting.

Qualitative Characteristics

Aspects that contribute to the usefulness of financial information, including its relevance and reliability.

Financial Statements

Formal records of the financial activities and position of a business, person, or other entity, presenting the financial performance and position at a given period.