This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S, Subject name: Pediatrics
Which of the following are Nada&;s major criteria for clinical diagnosis of congenital hea disease? 
Select and explain. 
A. Systolic murmur grade I or II, B. Diastolic murmur, C. Abnormal blood pressure, D. Abnormal electrocardiogram
B: Diastolic murmur
Answer: B: Diastolic murmur 
Explanation: Nadas&; Criteria The assessment for presence of hea disease can be done using the Nadas&; criteria. Presence of one major or two minor criteria is essential for indicating the presence of hea disease. Nadas&; criteria for clinical diagnosis of congenital hea disease Major Minor Systolic murmur grade III or more Systolic murmur grade I or II Diastolic murmur Abnormal second sound Cyanosis Abnormal electrocardiogram Congestive cardiac failure Abnormal X-ray Abnormal blood pressure Reference: Essential Paediatrics; O.P. Ghai; Page no: 406