cardio p 296 - 300 Flashcards
what path is associated with systolic regurgitation murmur, balloon appearance of heart on CXR?
dilated cardiomyopahty
what is the path that is associated with hypertrophic cardiomyopathy, muscle weakness, loss of DTR, vibratory sense, and proprioception?
Friedreich ataxia
define kussmaul sign
inc JVP on inspiration instead of a normal dec
explain the mech of kussmaul sign
during inspiration –> negative intrathoracic pressure is not transmitted to the heart –> impaired filling of the Rt. ventricle –> blood backs up into vena cava and inc JVD during inspriation
name 3 paths associated with kusmmaul sign
- constrictive pericarditis
- restrictive cardiomyopathies
- Rt atrial/ventricular tumors
what is the most common cardiac tumor in child?
rhabdomyomas (associated with tuberous sclerosis)
what path is associated with “multiple tumor plop” sound?
myxomas
90% of the myxoma takes place in
Lt. atrium
what kind of obstruction is seen in myxoma?
ball valve obstruction (pedunculated mass) in the Lt. atrium
what is the most common heart tumor?
metastasis
what particular structure is disrupted in 3’ syphilis?
vasa vasorum
what mutation is associated with hypertrophic cardiomyopathy?
beta myosin heavy-chain mutation
what is the main cause of death in hypertrophic cardiomyopathy?
ventricular arrhythmia
in hypertrophic cardiomyopathy, what leads to the outflow obstruction?
asymmetric septal hypertrophy and systolic motion of mitral valve
symptoms of hypertrophic cardiomyopathy?
syncope, dyspnea