Flashcards in Chronic & Acute Renal Failure Deck (59)
Do you need ARF to get CRF?
if you have CRF does that mean you had to have ARF?
Renal failure is defined as failure of what?
yes the sooner you treat it the better the outcome
definition of renal failure is how much urine flow per day?
less than 500ml/day
CRF timeline? reversible?
develops over 6 months-years
What is normal GFR /min? /day?
GFR at 65? at 80?
65: 100ml/min 144L/day
80: 75ml/min 108L/day
What is considered significant CRF ____ml/min?
<72L per day
loss of GFR is coupled with loss of?
When do you get endocrine impairment with renal failure?
more so CRF
3 main endocrine impairment with renal failure?
impaired vitamin D activation
decreased erythropoeitin - anaemia
plasma urea for GFR assessment?
what is normal creatinine levels?
equation for creatinine clearance?
UV/P = GFR
Normal hydrostatic pressure in glomerulus is?
when do you no longer filter anything in glomerulus?
ARF: What's more common? oliguria? Anuria?
ARF: GFR falls how?
3 areas of acute renal failure?
what is ATN?
acute tubular necrosis
in pre-renal ARF: what would systemic and Glomerulous pressures be less than?
causes of pre-renal ARF? 5 big ones
3 big causes of renal/intrinsic ARF?
what can cause glomerular disease?
IgA immune complexes post group A strep infections
interstitial nephritis often related to?
3 Toxins that can cause tubular damage in ARF?
2 ischemic events that cause tubular damage in ARF? which one is most common?
ATN (most common)
how does ATN cause death?
Acidosis, increase in K+ levels: arrythmias