Skip to main content

Cardiology MCQ 67. Bovine arch

Q. Bovine arch refers to?
A. Common origin of brachiocephalic artery and left common carotid artery
B. Common origin of left and right common carotid artery
C. Separate origin of right subclavian and common carotid artery
D. Anomalous origin of left subclavian artery from pulmonary artery
Answer: A. Common origin of brachiocephalic artery and left common carotid artery

Explanation: 
Bovine arch refers to common origin of brachiocephalic artery and left common carotid artery from the aortic arch. It is most common variation of aortic arch seen in human beings. 
Bovine arch (BA) term is a misnomer because it does not actually reflect the arch
branching pattern found in cattle (a single common brachiocephalic trunk that gives rise to all head and upper extremity vessels is seen in cattles.)


Reference:
Labels:

Comments

Post a Comment

Popular posts from this blog

ECG Spotter

What is the diagnosis? Click the button below to view answer: Show Answer
Post a Comment
Read more

MCQ

 Cardiology MCQ Q. Which of the following leads is not an inferior lead in ECG? A. Lead II B. Lead III C. Lead aVF D. Lead aVR Click the button below to view answer Show answer Correct answer is option D. Lead aVR
Post a Comment
Read more

Coronary artery perforation

  Management of coronary artery perforation 1.       Balloon inflation for occlusion of vessel 2.       General circulatory support → Intravenous fluids and vasopressors 3.       Urgent pericardiocentesis if cardiac tamponade (may consider autotransfusion) 4.       Call anaesthetist and inform surgeons. Repeat angiogram ↓ Extravasation settled → Yes → Monitor patient ↓ No #        Large vessel perforation 1.       Prolonged balloon inflation 2.       Covered stent placement #        Small distal vessel perforation 1.       Embolization (fat, coils, thrombin, balloon fragment) 2.       Covered stent in main vessel over perforated branch origin
Post a Comment
Read more