Elderly have a blunted fever response to infection due to an impairment in which body system?
Nervous system
Prophylactic treatment of Pneumocystis jirovecii
Co-trimoxazole (trimethoprim-sulfamoxazole)
ECG changes in hypokalemia
broad T wave and prominent U waves
Atypical UTI symptoms usually found in elderly pts
lethargy
decreased appetite
incontinence
acidosis and hyperthermia have what affect on the oxyhemoglobin dissociation curve
oxygen has a decreased affinity for hemoglobin shifting the curve to the right + to the tissues
alkalosis and hypothermia have what effect on the oxyhemoglobin dissociation curve
oxygen has a greater affinity for hemoglobin shifting the curve to the left = to the blood
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What does it mean when there is a right shift in the oxyhemoglobin dissociation curve?
means that a higher PO2 is required to achieve hemoglobin saturation compared to baseline
*oxygen is more willing to unload into the tissues
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What does it mean when there is a left shift in the oxyhemoglobin dissociation curve?
it means that less PO2 is required to achieve hemoglobin saturation compared to baseline
*oxygen is less willing to unload into the tissues
JNC 8 threshold for treatment of HTN in the elderly
150/90
Immediate treatment after diagnosis of pheochromocytoma is what?
Phentolamine to stabilize before surgery
Criteria for diminished renal reserve
nephron loss of 50% and double baseline Cr
Criteria of renal insuficiency
nephron loss of 75% and mild azotemia
Treatment of bacterial vaginosis
metronidazole or clindamycin
End-stage renal disease criteria
90% nephron loss, azotemia, and metabolic alterations
American Burn Association: Burn Center Referral Criteria
1. Partial thickness >10% TBSA
Burns that involve the face, hands, feet, genitalia, perineum, or major joints
3. 3rd degree
4. electrical
5. chemical
6. inhalation injury
7. burns with preexisting medical disorders that could complicate
8. burn + trauma
9. burned children
10. burns that will require special social, emotional, or rehabilitation intervention
dislocation
displacement of a bone from its joint
subluxation
partial dislocation
Labs in temporal arteritis
high ESR
normal WBC
Temporal arteritis treatment
High-dose steroids
Normal CVP
2-6
CVP is elevated in conditions that cause a(n) ___________ in the amount of fluid in the right atrium
increase
Shock states that cause an elevated CVP
cardiogenic shock
obstructive shock
*also FVO
CVP is decreased in conditions that cause a(n) ___________ in the amount of fluid in the right atria
decrease
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