A neonate has central cyanosis and short systolic murmur on the 2nd day of birth. The diagnosis is –
Correct Answer: Transposition of great vessels
Description: Out of the four options, only 1st two are cyanotic heart disease i.e. TOF & TGV.
TOF can be ruled out as it does not cause cyanosis at birth.
Nelson says - "Often cyanosis is not present of birth, but with increasing hypertrophy of the right ventricular
infiindibulum and patient growth, Cyanosis occurs later in the 1st year of life."
Short systolic murmur is not of much help in reaching the diagnosis as it is present in both the conditions. Transposition of great vessels
Transposition of great vessels is defined as : -
i) Aorta arising from right ventricle.
ii)Pulmonary artery arising from the left ventricle.
Anatomically TGA is divided into :-
A) Complete variety
Right atrium is connected to right ventricle and right ventricle is connected to aorta.
Left atrium is connected to left ventricle and left ventricle is connected to pulmonary artery.
This results in complete separation of systemic and pulmonary circulation : -
Category:
Pediatrics
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now