Learning Cardiology

Click on the link below. Bicuspid aortic valve with infective endocarditis

Q. Litten's sign is seen in? A. Rheumatic heart disease B. SLE C. Infective endocarditis D. Aortic regurgitation Answer: C. Infective endocarditis Explanation:  In infective endocarditis , white centred hemorrhages (cotton wool spots) can be seen in the retina on the fundoscopic examination of the patients. These are called as roth spots and sign is known as Litten's sign. 

Q. A 25 years old gentleman is brought to emergency with the complaint of fever for 7 days. He drinks five units of alcohol per day and admitted to regular intravenous drug abuse. On examination, he is febrile, has tachypnea and tachycardia. Blood pressure is 108/70. JVP is elevated and there is a murmur all over the precordium. What will be most likely cause of infection in this patient? A. Staphylococcus epidermidis B. Streptococcus viridans C. Staphylococcus aureus D. Pneumocystis carinii Answer: Staphylococcus aureus Explanation: With given history and abuse of i/v drugs, tricuspid valve endocarditis is most likely diagnosis. Among, i/v drug abusers, Staphylococcus aureus is most common cause.