A driver of the bus, Donald Ayers, a 49-years old male, has been brought to the ER (emergency room) with blunt trauma to the chest. After regaining consciousness, the patient complained of epigastric, chest, and left upper quadrant pain. Upon examination, a mild tachycardia was revealed and the blood pressure was recorded as 105/75 mm Hg (millimeter of mercury). There was a rapid change in the blood pressure after a gap of 10 minutes. It was recorded as 80/55 and heart rate was 130 beats per minute (bpm). The pulse was thready, and the neck veins bulged. Sharp, tearing and stabbing pain is reported by the patient suddenly at the injury site. Characters in the case: Mr. Ayer’s Adequate information: Blunt trauma to the chest causes thready pulse and increased heart rate. To determine: The indication that the thready pulsegives with respect to Mr. Ayer’s stroke volume.

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Chapter 17, Problem 1CCS

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Case summary:

A driver of the bus, Donald Ayers, a 49-years old male, has been brought to the ER (emergency room) with blunt trauma to the chest. After regaining consciousness, the patient complained of epigastric, chest, and left upper quadrant pain. Upon examination, a mild tachycardia was revealed and the blood pressure was recorded as 105/75 mm Hg (millimeter of mercury). There was a rapid change in the blood pressure after a gap of 10 minutes. It was recorded as 80/55 and heart rate was 130 beats per minute (bpm). The pulse was thready, and the neck veins bulged. Sharp, tearing and stabbing pain is reported by the patient suddenly at the injury site.

Characters in the case:

Mr. Ayer’s

Adequate information:

Blunt trauma to the chest causes thready pulse and increased heart rate.

To determine:

The indication that the thready pulsegives with respect to Mr. Ayer’s stroke volume.

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