A Patient Has a Normal Cardiac Rhythm Strip Except That

question 26

Multiple Choice

A patient has a normal cardiac rhythm strip except that the PR interval is 0.34 seconds. The appropriate intervention by the nurse is to

• A) prepare the patient for temporary pacemaker insertion.
• B) document the finding and continue to monitor the patient.
• C) notify the health care provider immediately.
• D) administer atropine per protocol.

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Definitions:

Ossicles

A set of three small bones in the middle ear that transmit sound vibrations from the eardrum to the inner ear.

Tectorial Membrane

The tectorial membrane is a structure located within the cochlea of the inner ear; it plays a critical role in the auditory system by interacting with hair cells to facilitate hearing.

Basilar Membrane

A narrow, membrane within the cochlea of the inner ear, playing an essential role in sound perception by vibrational frequency analysis.

Cochlea

A spiral-shaped, fluid-filled structure in the inner ear that is essential for converting sound waves into electrical signals that can be interpreted by the brain.