Myocarditis, Pericarditis, and Cardiomyopathies Flashcards
______ from artificial joints can be associated with toxic cardiomyopathy
Cobalt
______ is/are protective against cardiac hypertrophy via epigenetic mechanisms
HDAC9
______ promote(s) cardiac hypertrophy via epigenetic mechanisms
HDAC1 and HDAC2
_______: mechanisms for changing gene transcription without changing the underlying DNA sequence
Epigenetics
Amyloidosis is most commonly associated with which neoplasm?
Plasma Cell myeloma
Cause of constrictive pericarditis
Scarring/loss of elasticity secondary to cardiac surgery, infection, or radiation
Causes of pericarditis (4)
Viral illness, Connective Tissue Disease, Uremia, Metastatic tumors
Causes of restrictive cardiomyopathy (4)
Amyloidosis, Hemochromatosis, Scleroderma, Radiation therapy
Chemotherapy drug with dose-dependent cardiac toxicity
Adriamycin
EKG observation of pericarditis
Diffuse ST elevation
EKG observation of tamponade
Electrical alternans
Histone _______ (H___) decrease gene expression
deacetylases; DACs
Histone _______ promote gene transcription
acetyltransferases
Histone modifying proteins primarily act on _____ residues of the histone tails.
Lysine
Key detail of pericarditis presentation
Chest pain that changes with breathing or position
Most common cardiac neoplasms in infants/children
Rhabdomyoma
Most common cardiac neoplasms in teens/adults
Cardiac Myxoma
Most common complication of cardiac myxoma
thromboembolism
Most common extra heart sound in acute myocarditis
S3
Most common location of cardiac myxoma
Left atrium
Most common viral cause of acute myocarditis
Coxsackie B
Name the disease process where proteins deposit (as beta-pleated sheets) around blood vessels and in the parenchyma of various organs
Amyloidosis
Treatment for Acute myocarditis
Heart Failure Management (Diuresis, Beta-blockers, ACEIs), treatment for underlying condition
Treatment of constrictive pericarditis
Surgical stripping of pericardium