The nurse is teaching a patient with asthma how to measure peak expiratory flow rate (PEFR) .What should be included in the teaching plan? (Select all that apply. )

A) Assume a recumbent position before measuring PEFR.
B) Take a deep breath in,exhale,then place the mouthpiece in the mouth and form a firm seal with the lips.
C) After placing the mouthpiece in the mouth,blow out as hard and as fast as possible through the mouth in only one single breath.
D) Measure PEFR 3 times and record the highest number.

Question

Sharjil Sherry · Accepted Answer

Final Answer : C,D, Explanation :  To measure PEFR,the patient should be standing.If the patient is unable to stand,high-Fowler's position or any other position that promotes optimum lung expansion should be used.The patient should take in a deep breath,place the mouthpiece in the mouth,and form a tight seal.Then the patient should blow out as hard and as fast as possible through the mouth in only one single breath.Two additional measurements are taken,and the highest number is recorded.

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