1. Clinical presentation 36-year-old male with a recent history of intravenous drug use presents with three days of fevers, rigors and malaise blood culture reveals gram-positive cocci in clusters

2. Echocardiogram

4. Question #1 The echodensities shown on echocardiography represent A.Clusters of bacteria B.Cholesterol plaque C.Platelet-fibrin aggregates D.Mesodermal hyperproliferation

5. Question #2 Which of the following is not a major clinical concern? A.Pulmonary embolism B.Cerebrovascular accident C.Mesenteric ischemia D.Toxic epidermal necrolysis

7. Question #3 This histological specimen represents A.Cross section of mitral valve B.Visceral pericardium C.Parietal pericardium D.Cardiac endothelium E.A toenail

8. Question #4 A 24-year-old woman was in a motor vehicle accident and is unconscious upon arrival to the hospital. An echocardiogram reveals normal left and regular function with a small pericardial effusion. Tamponade physiology is present. Blood pressure is 70/40, heart rate is 150 and she has significant jugular venous distention.

9. Which arrow most likely represents this patient’s position on the pericardial pressure volume curve?

10. Question #6 Which of the following represents the correct reaction to the above clinical scenario? A.C. B.D.

11. Question # 7 The degree to which a certain amount of fluid will cause increased pericardial pressure depends upon A.The compliance of the pericardium B.The rapidity with which the fluid has accumulated C.The size of the patient D.All of the above

12. Question #8 Which of the following is not a major purpose of the pericardium? A. Ligamentous attachments to diaphragm, sternum and other structures B. Regulation of blood pressure C. Barrier to infection D. Participation in cardiac reflexes

13. Question #9 Which one of the following organisms is least likely to cause infective endocarditis? A.Streptococcus bovis B.Staphylococcus aureus C.Staphylococcus epidermidis D.Cardiobacterium hominis

14. Question #10 Where is infective endocarditis least likely to occur? A.Mitral valve B.Aortic valve C.Pulmonic valve D.Tricuspid valve