Sat27November0556PM 1

In patients more than 65-years of age:

True / False

Preoxygenation is improved in the supine position Correct

Silent aspiration is an unusual event Correct

Shivering restores normothermia Incorrect answer selected

Postoperative convalescence is significantly longer than in a younger population Incorrect answer selected

Atrial fibrillation has an incidence of 6% Correct

Explanation

Loss of pacemaker cells to approximately 10% of adolescent levels makes AF the default rhythm. Atrial fibrillation (AF) is a common and potentially serious condition, affecting at least 1.8% of the population. It is more common in people aged more than 65-years of age at an incidence of about 6%.

Postoperative convalescence may take as long as 12 months.

Preoxygenation is improved in the sitting position as closing capacity encroaches on tidal volume as the age increases.

A decreased muscle mass and metabolic capacity means that shivering is unable to restore normothermia.

Silent aspiration is common due to reduced cough reflexes and increased oesophageal reflux.

Answer Statistics

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Average score: 84.31%

Times answered: 232