lecture 14 heart failure Flashcards
pre load
load the heart faces just before it starts to contract
afterload
load the heart starts to face when the aortic valve opens
where may fluid collect in heart failure
pulmonary oedema
periphery oedema
periphery oedema
anasarca
how long does it take to develop pulmonary oedema
mins to hours
what is colliod oncotic pressure mediated by
albumin
Lymphangitis carcinomatosa
blockage the the lymph nodes draining the pulmonary space
what detects fall in blood pressure
baroreceptors, the kidneyys
pulmonary oedema is due to
impaired left ventricle
how big should the heart be on rdiograph
less than half the width of the thoracic cavity
signs patient has pulmonary oedema
Patient has to sit up
Cant talk
Coughing up oedema fluid (pink and frothy)
Cold, white, sweaty and clammy - sympathetic mediated
High BP
Tachycardia
Angor animi
angor animi
fear of own death
right heart failure signs
raised JVP
pitting oedema
reasons for ankle swelling
Stasis
Chronic venous insufficiency
Drugs - dihydropyridines (calcium channel blockers)
Hypoalbuminemia
angiotensin 2 actions
vasoconstriction
vascular hypertrophy
aldosterone release
what is produced if the heart is stretched
naturetic peptides
examples of naturetic petides
ANP BNP
what do nturetci peptides do
cause you to lose water weight in urine
diagnostic test for heart failure
naturetc peptides
change in skeletal muscle in heart failure
changes froom type 1 to type 2 fibers
describe type 2 fibers
fast twitch anaerobic
