Liver Renal Burns Flashcards

(67 cards)

1
Q

Renal pain

A

T10-L1 sympathetic

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2
Q

parasympathetic renal inervation

A

vagus nerve

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3
Q

renal sympathetic innervation

A

T8-L1 preganglionic

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4
Q

ureters innervation

A

S2-S4

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5
Q

Innervation of bladder

A

sympathetic T11-L2
parasympathetic S2-S4

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6
Q

another name for aterial pressure

A

glomerular capillary pressure

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7
Q

another name for renal blood flow

A

glomerular oncotic pressure

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8
Q

major determinents of GFR?

A

aterial pressure and renal blood floqw

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9
Q

intense SNS stimulation does what?

A

consctrict afferent and decreae RBF

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10
Q

mild SNS does what?

A

constricts efferent to increase RBF

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11
Q

what do NO and prostaglandins do?

A

dilate afferent to increase GFR

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12
Q

what does angiotensin activity do?

A

constrict efferent

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13
Q

myogenic reflex

A

pressure

increase in arterial pressure = constriction by reflex
decrase in pressure = dilation by reflex

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14
Q

where is 2/3 of Na and H2O reabsorbed?

A

PCT
Na is active transport
H2O is passive reabsorption

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15
Q

ANP does waht?

A

diuresis, systemic vasodilation

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16
Q

name three renal vasodilators

A

NO prostaglandins ANP

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17
Q

where are prostaglandins produced?

A

kidneys

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18
Q

what does renal vasodilation cause?

A

increae in Na and H20 excretion. Thus the reason ANP wants to cause vasodilation

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19
Q

when do you see symptoms for hypnatremia?

A

<125

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20
Q

most common cause of AKI in surgical patients?

A

actue tubular necrosis

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21
Q

how does AKI cause excess nitrogenous substances adn waste?

A

cant excrete them. accumulation of creatinine and urea in the blood

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22
Q

name some nephrotoxins

A

aminoglycosides, chemo drugs, NSAIDS, contrast dye

may take 24-48 hours to develop and peaks in 3-5 days

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23
Q

endogenous nephrotoxins?

A

calcium
uric acid
myoglobin (rhabdo)
hemoglboin (hemolysis)
bilirubin
paraproteins

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24
Q

when is renal azotemia irreversible?

A

if ischemia is severe or prolonged

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25
what causes actue intersitital nephriits?
acute druge rxn
26
increase interval of waht two meds?
APAP and ASA
27
intervel stays the same for what meds?
al/remi/sufentanil
28
decrease dose of?
codeine fentanyl torodol meperidine methadone morphine
29
is chronic renal failure irreversible?
yes
30
electrolyte imbalances in CKD?
hyp kalmemia mag and calcemia hyperphosphatemia
31
how does urea affect platle function?
makes them dysfunctional
32
what is renal osteodystrophy?
join issues from the hyperphos and hypocalcemia
33
what causes pruritius?
uremia and waste build up
34
how do kidney patiens respond to induction?
as if hypovolemic
35
Anes meds in kindey patients?
N2O is okay, ISO is most hemodynamically stable
36
when do you get uremic syndrome?
when GFR drops to < 10%
37
what is nephrolithiasis?
kidney stones most and calcium oxalate flank pain can be a sign of ureteral stone
38
you can get what with glycine solution?
hyperammonemia
39
when might you see a wide QRS and elevated ST?
TURP syndrome
40
can you get DIC in TURP?
yes. from hyponatremia??
41
what to do to prevent TURP
resesction time < 1hour bag no >30cm from bed to start and 15 during end of resection avoidi hypotonic solution
42
are spinals good during turp?
yes they say awake so they can talk to you, ensure they dont get TURP syndrome
43
TURP tx
oxygenation and ciruclatory support tell surgeon to stop ASAP invasive monitors send labs
44
how to tx mld TURP?
fluid restriction and loop diurectics
45
how to tx severe turp?
3% NS at <100ml/hr DC when NA>120
46
is extra or intra peritoneal more common?
extra peritoneal this also heals itself intraperitoneal needs surgery
47
bladder rupture
more common in peds than adults
48
what would cause chemical peritonitis?
intraperitoneal bladder rupture
49
intraperitoneal symptoms are more like what?
MI. extraperiotneal symptoms are more generalized pain
50
which volatiles directly cause renal dysfunction?
methoxyflurane and enflurane
51
is thiopenal good in renal patients?
no
52
ketamine?
okay
53
etomidate
okay, incrased free fraction decrease dose?
54
benzos
decraes dose
55
propofol
go slow
56
dex
okay
57
can you use codeine or meperidine?
no
58
morphine?
single dose okay, nothing more
59
order of NMB agents
cis, atracurium, then ROC Vec is prolonged
60
what NMB have minimal renal excretion?
succ, atracurium, cis, micacurium
61
short acting NMB?
micacron. eliminated by plasma cholinesterase at rate slower than succ
62
what meds undergoe hoffman elimination>
cis-attracurium and attracuriuym
63
where does acetezoalmide work?
PCT
64
where does mannitol work?
descending tuble
65
where do thiazide diurecgics work?
DCT
66
where does spiro work?
Collecting duct
67
where do loop diuretics work?
ascending loop