Infections of the heart Flashcards
3 Layers of the heart
Endocardium
Myocardium
Pericardium
Endocarditis
Infection of the inner lining - especially cardiac valves
Classic triad of endocarditis
Anemia
Heart Murmur
Fever
CNS s/s of endocarditis
Focal Neurologic Deficits
Headache
Stroke
Seizure
Cardiovacular s/s of endocarditis
Pleuritic CP
Heart Blocks
Hepatic s/s of endocarditis
RUQ pain - congestion in the liver
Pulmonary s/s of endocarditis
Dyspnea
Cough
Skin s/s of endocarditis
Splinter hemorrhages - under the nail
Osler’s nodes
Janeway lesions
Subconjunctival Hemorrhage
What are Osler’s Nodes
Tender, subcutaneus nodules
often in the pulp of the digits
What are Janeway Lesions
Non-tender erythematous, hemorrhagic, or pustular lesions often on the palms or soles
Dx of Endocarditis
Echo
Blood Cultures
Most cases of endocarditis are from…
Microbial Infection
Vegetate on the part of the valve that has a small lesion due to turbulent blood flow
They like to adhere to low BP spots
Why are valves affected in endocarditis?
They are the sight of turbulent blood flow
What is pericardial friction rub
A leathery sound auscultated with each heart beat over the apex of the heart
Common cause of pericarditis
2-3 days post MI Renal failure Mediastinal Injury Neoplasms Connective Tissue Disorder
