Cardiology - Group 1 | Medical Hub

56. What is Chagas cardiomyopathy?

A) Parasitic infection (T. cruzi) causing dilated cardiomyopathy B) Bacterial myocarditis C) Viral myocarditis D) Autoimmune myocarditis

57. What is the most common side effect of amiodarone?

A) Photosensitivity B) Pulmonary fibrosis C) Thyroid dysfunction D) Corneal microdeposits

58. What is the QT interval that increases risk of torsade de pointes?

A) QTc >500 ms B) QTc >450 ms C) QTc >480 ms D) QTc >520 ms

59. What is the treatment for torsade de pointes?

A) Magnesium sulfate 2 g IV B) Lidocaine C) Amiodarone D) Cardioversion

60. What is the most common electrolyte cause of arrhythmia?

A) Hypokalemia B) Hypomagnesemia C) Hyperkalemia D) Hypocalcemia