Cardiomyopathy & Heart Failure Comprehensive Study With Complete Answers.
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Course
AUTOMIC
Institution
AUTOMIC
umbrella term describing any cardiac condition resulting in sick heart muscle - correct answer cardiomyopathy
methods by which to classify cardiomyopathies - correct answer functional classification
...
describe the pathophys of hypertrophic cardiomyopathy - correct answer
during instance of increased cardiac output (such as exercise) contractility will increase and cause septal
deviation which occludes output to aorta
physical exam finding for hypertrophic cardiomyopathy (HCM) - correct answer
murmur - which gets louder upon valsalva
(normally all murmurs get softer with valsalva)
describe the pathophys of Takotsubo Cardiomyopathy - correct answer more
common in older, postmenopausal females
incited by stressful event causing ballooning of the apex when the atria contract
pathophysiologic state which cardiac output is inadequate to meet tissue demands - correct answer
heart failure
*most often involving low cardiac output states*
heart failure prevalence between male/female and white/black - correct answer
black male > black female > white male > white female
formula for cardiac output - correct answer HR x Stroke Volume
contractility dependent upon these 2 factors - correct answer length of cross
bridging
ability for ventricles to contract as a unit
.... but also amount of free intracellular Ca
the volume of blood in the ventricle at the end of diastole - correct answer
preload aka end diastolic volume (EDV)
factors influencing EDV - correct answer Preload
ventricular compliance
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