IE, RHD, ARF Flashcards
Vegetation is composed of which of the following?
A. Platelets B. Fibrin C. Microorganisms D. Inflammatory cells E. Two of the options F. All of the options
F. All of the options
What is the most common affected heart valve in infective endocarditis?
A. Aortic valve B. Pulmonic valve C. Bicuspid valve D. Tricuspid valve E. Any of the options
C. Bicuspid valve = Mitral valve
After valve replacement, the risk of PVE is greatest
during which of the following?
A. 2-3 months B. 4-6 months C. 6-12 months D. 12-24 months E. >24 months
C. 6-12 months
All of the following conditions predispose to infective endocarditis EXCEPT:
A. congenital heart disease B. rheumatic heart disease C. degenerative heart valve D. IV drug use E. Two of the options F. None of the options
F. None of the options
Which of the following is the most common cause of acute endocarditis?
A. S. viridans B. S. aureus C. S. gallolyticus D. CoNS E. HACEK group
B. S. aureus
Which of the following is the most common cause of native endocarditis?
A. S. viridans B. S. aureus C. S. gallolyticus D. CoNS E. HACEK group
A. S. viridans (50 to 60% of cases)
Which of the following is a normal component of the oral cavity flora?
A. S. viridans B. S. aureus C. S. gallolyticus D. Actinobacillus E. All of the options
A. S. viridans
Which of the following is the major offender in IE among IV drug abusers?
A. S. viridans B. S. aureus C. S. gallolyticus D. Actinobacillus E. Haemophilus
B. S. aureus
Which of the following laboratory manifestations has the highest frequency on patients with IE?
A. Fever B. Heart murmurs C. Anemia D. Elevated CRP E. Elevated ESR
D. Elevated CRP (>90)
These are small, painless, erythematous lesions on the palms or soles
A. Splinter hemorrhages
B. Osler nodes
C. Janeway lesions
D. Roth spots
C. Janeway lesions
Splinter hemorrhages:
Small areas of red discoloration under the nails
Osler nodes:
Painful red nodules on pads of the fingers and toes
Janeway lesions:
Small, painless, erythematous lesions on the palms or soles
Roth spots:
Red spots with pale centers on fundoscopic exam
All of the following are cardiac findings on patients with IE EXCEPT:
A. Aortic stenosis B. Aortic regurgitation C. Mitral regurgitation D. Tricuspid regurgitation E. Two of the options F. None of the options
A. Aortic stenosis
Which of the following should you opt to use if you’re suspecting Brucella as causative agent of IE?
A. Blood culture B. PCR recovery of microbial DNA C. Cardiac Imaging D. ESR and CRP-level E. CBC
B. PCR recovery of microbial DNA
A 21-yr old physician detects the possible cause of death of her patient who suffered on a 3-day endocarditis. Which of the following accurately describes her findings?
A. Acute endocarditis; 3mm vegetation; S. aureus
B. Acute endocarditis; 7 mm vegetation; S. viridans
C. Acute endocarditis; 11 mm vegetation; S. aureus
D. Subacute endocarditis; 1.5mm vegetation; S. viridans
E. Subacute endocarditis; 15mm vegetation; S. aureus
F. None of the options; needs retest
C. Acute endocarditis; 11 mm vegetation; S. aureus
Which of the following is the best option to view valve vegetations?
A. Chest Xray B. Transthoracic echocardiography C. Transesophageal endocardiography D. CT scan + MRI E. All of the options
C. Transesophageal endocardiography (more sensitive)
All of the following are diagnostic for IE EXCEPT:
A. CBC B. Creatinine C. SGPT/ALT D. Chest XRAY E. ECG F. Two of the options G. All of the options H. None of the options
G. All of the options
A 21 year old physician suspects that her patient has infective endocarditis. She then ordered as series of laboratory tests. Which of the following accurately describes the future results?
A. Elevated ESR and decreased CRP-level B. Elevated ESR and CRP-levels C. Elevated RF and decreased CRP-level D. Elevated Circulating immune complex titers E. Two of the options F. All of the options G. None of the options
E. Two of the options
Which of the following is the first line of treatment for IE?
A. Antimicrobial therapy B. Anticoagulant therapy C. Surgery D. Reassurance with a team of cardiologist + neurologist + anesthesiologist E. Any of the options
A. Antimicrobial therapy
All of the following are TRUE about treatment of IE EXCEPT:
A. All bacteria in the vegetation must be killed
B. Therapy must be bacteriostatic and prolonged
C. Antibiotics must be given orally and parenterally
D. Selective effective therapy requires knowledge of the susceptibility of the causative agent
E. Two of the options
F. None of the options
E. Two of the options
Which of the following is the adverse effect of using aminoglycoside antibiotics?
A. Hepatotoxicity B. Renal toxicity C. GI upset D. Torsades de pointes E. Cardiac arrest
B. Renal toxicity
A 21 year old physician suspects that her patient has infective endocarditis caused by Enterococci species. Which of the following should she give to the patient?
A. Oxacillin + Nafcillin B. Ceftriaxone + Vancomycin C. Vancomycin + Streptomycin D. Penicillin + Ceftriaxone + Gentamicin E. Gentamicin only
C. Vancomycin + Streptomycin