A 2-year-old boy is presented to the pediatrician due to poor weight gain and easy fatigability. His mother states that the patient barely engages in any physical activity as he becomes short of breath easily. The prenatal and birth histories are insignificant. Past medical history includes a few episodes of upper respiratory tract infection that were treated successfully. The patient is in the 10th percentile for weight and 40th percentile for height. The vital signs include: heart rate 122/min and respirations 32/min. Cardiac auscultation reveals clear lungs and a grade 2/6 holosystolic murmur loudest at the left lower sternal border. The remainder of the physical examination is negative for clubbing, cyanosis, and peripheral edema. Which of the following is the most likely diagnosis in this patient?
ATetralogy of Fallot (TOF)
BAtrial septal defect (ASD)
CCoarctation of aorta
DVentricular septal defect (VSD)
EPatent ductus arteriosus (PDA)
A 38-year-old woman, gravida 2, para 1, at 24 weeks' gestation comes to the physician for a routine prenatal evaluation. She has no history of major medical illness and takes no medications. Fetal ultrasonography shows a cardiac defect resulting from abnormal development of the endocardial cushions. This defect is most likely to result in which of the following?
ATransposition of the great vessels
BAtrioventricular septal defect
CDextrocardia
DPatent foramen ovale
ESinus venosus defect
A 9-year-old boy is brought to the office due to exertional dyspnea and fatigability. He tires easily when walking or playing. His parents say that he was diagnosed with a congenital heart disease during his infancy, but they refused any treatment. They do not remember much about his diagnosis. The patient also had occasional respiratory infections throughout childhood that did not require hospitalization. He takes no medications. The patient has no family history of heart disease. His vital signs iclude: heart rate 98/min, respiratory rate 16/min, temperature 37.2°C (98.9°F), and blood pressure of 110/80 mm Hg. Physical examination shows toe cyanosis and clubbing but no finger abnormalities. Cardiac auscultation reveals a continuous machine-like murmur. All extremity pulses are full and equal. Which of the following is the most likely diagnosis?
ATetralogy of Fallot
BCoarctation of the aorta
CVentricular septal defect
DAtrial septal defect
EPatent ductus arteriosus
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