5/13/13 b Flashcards
What is the treatment for hydrocele in a newborn?
reassurance and observation, as it will likely spontaneously resolve by 12 mos
If a communicating hydrocele does not resolve by 12 mos of age, what should be done? Why?
surgical removal; risk of indirect inguinal hernia
What should be done next for a pt w/ lower GI bleeding in whom the source of bleeding cannot be identified by colonoscopy?
erythrocyte scintigraphy
What is erythrocyte scintigraphy?
radio-labeled RBC scan
What adult bone tumor typically occurs at the epiphysis of the distal femur or proximal tibia and has a “soap bubble” appearrance on X-ray?
Osteoclastoma (giant cell tumor of bone)
In a middle-aged adult, superficial unilateral hip pain that is exacerbated by external pressure to the upper lateral thigh suggests a diagnosis of _______.
trochanteric bursitis
What is the respiratory quotient?
ratio of O2 consumed to CO2 produced
What is the main determinant of the respi quotient?
type of fuel being oxidized to ATP
What is the respiratory quotient for carbs alone?
1.0
What is the respi quotient for protein?
0.8
What is the respi quotient for fatty acids?
0.7
Why is the respi quotient relevant for mechanical ventilation?
weaning is harder if respi quotient is high
What do needle-shaped crystals on urinalysis indicate?
uric acid stones
How are uric acid renal stones best visualized?
CT or IVP
What is enteroclysis?
x-ray of small intestine w/ contrast