Category: Cardiovascular

paeds47

A 17-year-old girl is brought to the ER after collapsing at a party. Her friends state that she complained about palpitations prior to collapsing. On further history, it is revealed that she recently visited the dermatologist and was given an antibiotic prescription for an infected toe. She is reported to be allergic to penicillin. Her mother died of a sudden cardiac event when the girl was just 3 years old. An uncle and aunt also passed away suddenly at a young age. ECG shows sinus rhythm and a corrected QT interval of 550 ms. Which of the following most likely lead to the collapse in this young girl?

paeds48

An 18-year-old boy presents to the physician complaining of persistent palpitations. The ECG shows a regular rhythm with a rate of 200 beats/min and QRS duration of 80ms. The tachycardia spontaneously resolves and presents in sinus rhythm. The PR interval is 60 ms and QRS duration is 120 ms, there is a positive delta wave in V1. Regarding the boy’s tachycardia, which of the following statements holds true?

paeds49

A 13-month-old infant is admitted to the hospital and scheduled for an elective cardiac surgery. There is no respiratory distress, but cyanosis is present with oxygen saturations at 80s. There is a midline sternotomy scar. On auscultation there is a 4/6 ejection systolic murmur on the upper left sternal edge and a sternal heave is felt on palpation. Which of the following is the child most likely suffering from and what is the likely treatment?

paeds50

A 2-day old boy is diagnosed with a patent ductus arteriosus. He has a cyanotic heart disease. Which of the following would be the best course of action in this patient?

paeds45

A 16-year-old has a right sided aortic arch which is visible on the echocardiography. Which of the following condition most likely predisposes to this finding?