Sat27November0445PM 14

Hyperkalaemia is associated with:

True / False

Hypoactive reflexes Incorrect answer selected

Inverted T waves on the electrocardiogram Correct

QRS widening on the electrocardiogram Correct

U waves on the electrocardiogram Correct

Muscle weakness Incorrect answer selected

Explanation

Hyperkalaemia causes electrocardiogram abnormalities, for example:

peaked T waves

prolongation of the PR interval

QRS widening

decreased P waves

heart block, and

arrhythmias.

Hyperkalaemia also causes muscle abnormalities, for example:

weakness

paraesthesias, and

hypoactive reflexes.

U waves on the electrocardiogram are seen in hypokalaemia.

Answer Statistics

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Average score: 70.28%

Times answered: 282