The Patient's Heart Rhythm Shows an Inverted P Wave with a PR

question 21

Multiple Choice

The patient's heart rhythm shows an inverted P wave with a PR interval of 0.06 seconds.The heart rate is 54 beats per minute.The nurse recognizes the rhythm as a junctional escape rhythm,and understands that the rhythm is due to the:

• A) loss of sinus node activity.
• B) increased rate of the AV node.
• C) increased rate of the SA node.
• D) decreased rate of the AV node.

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Definitions:

Amino Acid

Organic compounds that serve as the building blocks of proteins, containing both amino and carboxyl functional groups.

Letter Symbol

A character used to represent an element or compound in chemical equations.

Amino Acid

Organic compounds that combine to form proteins, containing an amino group and a carboxylic acid group, serving as the building blocks of proteins.

Letter Symbol

An alpha-numeric representation used to simplify and symbolize a chemical element or concept.