acute HF Flashcards
what are signs of acute vs chronic HF?
what are acute dietary causes of HF?
how does dietary indiscretion cause HF?
excess Na+ intake, increases plasma osmolarity
increases Ash release and free water in body
leads to increased body/retained volume and urine output
in HF, transient rise in volume can lead to pulmonary oedema
what re other acute causes of HF?
how do you initially manage acute HF?
IV diuretic therapy - loop diuretics eg furosemide
how do you manage acute HF after stabilising?
B blockers
ACEi or ARB
aldosterone antagonist
how do loop diuretics work?
what are the haemodynamic consequences of loop diuretics?
how do nitrates work?
what are s/e of nitrates?
how do ACEi and hydralazine help in acute HF?
how can nitrates work alongside hydralazine?
when are they used?
how do inotropes work?
how does milrinone (inotrope) work?
how does dobutamine (inotrope) work?
how does dopamine (inotrope) work?
how does epinephrine (inotrope) work?
what is continued tx for low output HF?
how does digoxin work?
only oral inotrope
no mortality benefit
not effective in diastolic
when is digoxin used?
