A 16-day-old baby girl is brought to the emergency department appearing ill. On examination, she has pallor and dyspnea with a respiratory rate of 85 per minute. Her heart rate is 200 bpm, heart sounds are distant, and a gallop is heard. Chest X-ray shows cardiomegaly. Echocardiogram reveals dilated ventricles and dilation of the left atrium. ECG shows ventricular depolarization complexes with low voltage. What is the most likely underlying diagnosis?
AHypoplastic Left Heart Syndrome
BCritical Aortic Stenosis
CTotal Anomalous Pulmonary Venous Return
DCongestive Heart Failure secondary to congenital heart disease
Which of the following murmur increases on standing?
AMR
BVSD
CMS
DHOCM
Which of the following conditions should not be considered if JVP rises on deep inspiration?
AComplete heart block
BConstrictive pericarditis
CRestrictive cardiomyopathy
DAtrial fibrillation
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