Medical MCQ-A patient presents with a penetrating chest wound associated with intrathoracic haemorrhage. A thoracotomy is done by taking an incision in the 41h/51h intercostals space staing 1 cm away from the lateral margin of the sternum. This is done to avoid injury to the

A patient presents with a penetrating chest wound associated with intrathoracic haemorrhage. A thoracotomy is done by taking an incision in the 41h/51h intercostals space staing 1 cm away from the lateral margin of the sternum. This is done to avoid injury to the

Pleura

Intercostal aery

Internal thoracic aery

Intercostal nerve

Question Category:

Anatomy

Correct Answer:

Internal thoracic aery

Description:

C i.e. Internal thoracic aeryIntercostal (external, internal & innermost) muscles (not transverses thoracic) are pierced in pleural taping in mild axillary line.Latissimus dorsi, serratus anterior, rhomboidus major & intercostal muscles are cut in posterolateral thoracotomy whereas pectoralis is cut in anterior & anterolateral approach.Thoracotomy in upper 6 intercostal spaces is done by taking an incision 1 cm lateral to sternum to avoid injury to internal thoracic (mammary) aeryQ.

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