5/16/13 c Flashcards
What are the 2 malignant tumors of the eye for which enucleation would be performed?
Rb and MELANOMA
What is the only malignant tumor that could have metastases that show up 20+ years after remaoval of the original tumor?
melanoma
Loss of sensation unilaterally to the lower face is indicative of damage to what nerve? What is fractured?
inf. alveolar n. (branch of V3); mandibular fracture
What IV fluid should be used to rehydrate a pt w/ hypernatremia?
D5W in 0.45% NaCl
What IV fluid should be used to treat hyponatremia?
normal or hypertonic saline
What IV fluid is usu. used to treat hypovolemic shock or other isotonic fluid loss?
Ringer’s lactate
After blunt chest trauma, if an x-ray shows a deviated mediastinum with a mass in the lower left chest, one should suspect what?
diaphragmatic perforation with herniation of abdominal viscera
What is the conservative tx for a partial SBO?
NG suction and observation
What is the conservative tx of complete SBO?
Surgery. (There is no conservative tx for COMPLETE SBO!)
Following blunt abdominal trauma, a pt has a tender epigastrium, but a normal CT, and is sent home. Days later, he returns with fever, chills, and deep abdominal pain. What was missed on the initial CT? What has developed?
pancreatic injury; retroperitoneal abscess
What is the tx for a pancreatic abscess?
drainage, culture, and debridement
Any pt who has epigastric pain and is older than 45 and has a (+) stool guiac, wt. loss, or dysphagia/odynophagia requires _______.
gastroesophageal endoscopy and biopsy to rule out malignancy
What is a normal central venous pressure range?
3-8 mmHg
A pregnant woman who was previously healthy suddenly collapses, becomes hypotensive and dies. Likely Dx?
visceral artery aneurysm rupture
How should pts w/ metastatic pancreatic cancer be treated?
chemo
How should pts w/ non-metastatic pancreatic ca. be treated, when the pt is a good candidate?
Whipple procedure
What occurs in subclavian steal syndrome (mechanism, not Sx)?
occlusion of subclavian a. proximal to vertebral a. causes retrograde flow from vertebral a. into distal subclavian a. when that arm is exercised
What symptoms would a pt. w/ subclavian steal syndrome experience?
vascular: cold, tingling muscle pain
neurologic: visual and equilibrium
A person reaches for something above head level and experiences muscular pain and syncope. What should you suspect?
subclavian steal syndrome
