Misc Flashcards
Linear US probe used for what?
uses high frequency US
good for vascular imaging and central lines
Curvilinear probe used for what?
uses low frequency US
allows for deep penetration
good for intra-abdominal structures
Phased array probe used for what?
gives large field of depth with small footprint
see deep structures thru small acoustic window
good to view structures on chest (US waves are beamed between ribs)
Answer choice has the word routine in it?
cross it out
After renal transplant; sudden decrease in UO?
most likely dehydration
eval with immediate renal US
After renal transplant: sudden cessation of UO/
most likely graft thrombosis;
evaluate with immediate renal US
PTLD is assc with what virus?
EBV B cells
initial tx reduce immunosuppression
Wound healing;
neutrophils first
macros
lymphocytes
fibroblasts
peak collagen at 21 days
Bethesda criteria for thyroid:
0 non diagnostic–> repeat FNA
1 benign –> follow by US
2 Follicular lesion or atypia of undetermined–> repeat FNA
3—> Suspicious for follicular neoplasm–> surgery
4—> suspicious of Ca–> surgery
5—> ca—> surgery
Neurogenic shock;
hypotension, bradycardia, peripheral vascular dilation
due to loss of sympathetic vascular tone
usually with lesions at T 6 or higher
Spinal shock;
not true form of shock
flaccid areflexia that may occur after spinal cord injury
can last hrs to weeks
its a concussion of the spinal cord and resolves as soft tissue swelling improves
priapism may be present
Whats Inspiratory capacity?
TV + IRV
Whats functional residual capacity?
ERV + RV
Whats vital capacity?
ERV + TV + IRV
What is total lung capacity?
vital capacity + RV
Before lung resection performed what tests done?
FEV1: > 2 L for pneumonectomy, > 1.5 L for lobectomy, >0.8 L for wedge resection
DlCO2 >60%
% FEV1; > 40% (800 cc)
VO2 max (exercise tolerance test); > 15 cc/kg/min
quantitative V/Q scan; >40%
Missed superior parathyroid gland found where>?
paraesophageal groove
Ectopic superior parathyroid gland found where?
mediastinum
Missed inferior parathyroid gland found?
1 cm from intersection of inferior thyroid A and RLN
Ectopic inferior parathyroid gland found where?
ectopic in thymus
What supernumerary parathyroid?
> 4 glands in thymus
Contents of thoracic outlet:
clavicle
Subclavian vein anterior scalene subclavian artery brachial plexus middle scalene postrior scalene
Small bowel strictures, treatments:
< 10 cm; heineke mickluicz
10-20 cm; Finney
> 20 cm sided to side iso-peristaltic
Tx for Zenkers:
< 2 cm–> surgical myotomy
> 3 cm–> endoscopic cricopharyngotomy (Dohlman procedure) vs surgical myotomy and dirticulopexy
> 5 cm –> surgical excision and myotomy
