The Nurse Needs to Quickly Estimate the Heart Rate for a Patient

question 8

Multiple Choice

The nurse needs to quickly estimate the heart rate for a patient with a regular heart rhythm.Which method will be best to use?

• A) Count the number of large squares in the R-R interval and divide by 300.
• B) Print a 1-minute electrocardiogram (ECG) strip and count the number of QRS complexes.
• C) Calculate the number of small squares between one QRS complex and the next and divide into 1500.
• D) Use the 3-second markers to count the number of QRS complexes in 6 seconds and multiply by 10.

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Definitions:

Antihistamine

A type of medication that blocks histamine receptors to relieve allergies symptoms.

Decongestant

A medication that relieves nasal congestion by reducing swelling of the nasal passages.

Antitussive

A type of drug that helps to reduce coughing, commonly used in the treatment of coughs caused by the common cold or flu.

Expectorant

A type of medication that helps clear mucus and other secretions from the airways, chest, and throat.