Critical Care Flashcards
(37 cards)
Acute adrenal insufficiency tx
IVF, hydrocortisone
T1DM, BG=500
Kussmaul resp
DKA
Psuedohyponatremia
For every 100 ↑ BG, Na ↓ 1.6
Why do you need to worry about K in acidotic pt?
Acidotic pt w/ normal or low K, VERY depleted (in acidosis K is driven extracellularly)
DKA tx
IVF (5 L), electrolytes, CORRECT ACIDOSIS w/ insulin
T2DM, BG=700
++polyuria, ++dehydration
HHS
HHS tx
IVF (7 L), insulin slowly
If you correct hyperglycemia too quickly, risk of what?
Cerebral edema
↑ intraocular pressure
Halos, unilateral red eye w/ vomiting
Acute glaucoma
Acute glaucoma tx
Timolol drops, mannitol (osmotic diuresis), acetazolamide
Virchow’s triad
Hypercoagulable state, endothelial injury, stasis
Pulmonary embolism tx
Heparin 1st → enoxaparin or warfarin for minimum 3 months
Mediastinal shift (tracheal deviation) Absent breath sounds on one side
Tension PTX
Tension PTX tx
Needle decompression + chest tube
HTN urgency BP
S >220 or D >125
HTN emergency BP
D >130
HTN emergency tx
IV meds (nitroprusside or nicardipine), gradual reduction Must reduce in 1 hr to avoid end organ damage
HTN urgency tx
Oral meds (labetalol, clonidine, captopril)
Sign of ↑ intracranial pressure in HTN emergency
Papilledema
Causes of variceal and non-variceal UGIB
Variceal = cirrhosis Non-variceal = PUD, cancer
BUN is ↑↑↑ and creatinine is ↑
UGIB
Tx for variceal and non-variceal UGIB
Variceal: octreotide
Non-variceal: PPI
Causes of steady, well-localized abd pain
Ischemia, perforation, inflam, bleed
Cause of colicky, poorly-localized abd pain
Obstruction