ifth intercostal space,

Human Physiology: From Cells to Systems (MindTap Course List)
9th Edition
ISBN:9781285866932
Author:Lauralee Sherwood
Publisher:Lauralee Sherwood
Chapter10: The Blood Vessels And Blood Pressure
Section: Chapter Questions
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A 23-year-old man was brought to the ER barely conscious
but in great discomfort after being wounded by an ice pick in
the anterior chest. His doctor records the entry wound as the
fifth intercostal space, immediately left of the sternum. She
also notes the veins of the face and neck are engorged with
blood. The given chest X-ray showed massive enlargement
of the patient's cardiac silhouette. Which of the following
structures is most likely damaged due to the entry site of the
ice pick?
(A) Right atrium
(B) Left atrium
(C) Aortic arch
(D) Left ventricle
(E) Right ventricle
Transcribed Image Text:A 23-year-old man was brought to the ER barely conscious but in great discomfort after being wounded by an ice pick in the anterior chest. His doctor records the entry wound as the fifth intercostal space, immediately left of the sternum. She also notes the veins of the face and neck are engorged with blood. The given chest X-ray showed massive enlargement of the patient's cardiac silhouette. Which of the following structures is most likely damaged due to the entry site of the ice pick? (A) Right atrium (B) Left atrium (C) Aortic arch (D) Left ventricle (E) Right ventricle
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