Surgery UWorld Flashcards

1
Q

CT findings ischemic colitis

A

thickened bowel

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2
Q

Colonoscopy ischemic colitis

A

cyanotic mucosa/ hemorrhagic ulcers

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3
Q

Pt with ruptured AAA too unstable to have a CT can confirm AAA with?

A

bedside ultrasound. Urgent surgery required

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4
Q

Whistle noise following rhinoplastie

A

nasal septum perforation from septal hematoma

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5
Q

Dumping syndrome

A
  • postgastrectomy complication
  • pyloric sphincter rapid emptying leading to nausea, diarrhea, diaphoresis, AMS
  • caused by fluid shifts
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6
Q

pulmonary contusion

A
  • complication of blunt thoracic trauma
  • ↑ RR, ↑ HR, hypoxic
  • cxr: patchy alveolar infiltrate from hemorrhage
  • may –> ARDS
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7
Q

Pneumothorax

A
  • blunt force trauma
  • CP, ↓ breath sounds, sub-q emphysema
  • cxr: area without lung markings
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8
Q

hemothorax on cxr

A

plural effusion

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9
Q

flail chest caused by

A

> 3 ribs broken–> detachment

chest wall moves paradoxically

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10
Q

cardiac contusion s/s

A

usually asymptomatic

can cause ↓ BP, ↑ HR, heart failure if severe

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11
Q

absent bowel sounds

dilated gas filled loops of bowel with no transition point

A

paralytic ileus- common after surgery but sometimes even trauma

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12
Q

BUN: Cr ratio for pre-renal failure

A

> 20: 1

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13
Q

extraparitoneal bladder injury

A

pelvic fx
localized pain
gross hematuria

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14
Q

intraperitoneal bladder rupture

A

damage to dome
s/s of chemical peritonitis
pelvic fx often present

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15
Q

children with traumatic diaphragmatic injury

A
delayed presentation (months/years) 
herniation of bowel into lung fields (usually left side)
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16
Q

Conservative anal fissure treatment

A

stool softener
sitz bath
lidocain- topical
vasodilator- ↑ blood flow–> better healing

Surgery only if refractory

17
Q

Anterior mediastinal mass differential

A

4 Ts

thymoma
teratoma
thyroid neoplasms
terrible lymphoma

18
Q

Burn sepsis criteria

A

Temp- under 36, over 39
HR- > 90
RR- > 30
BP- < 90

also common 
oliguria
AMS
↑ glucose 
↓ plts
19
Q

Hemodynamically unstable GSW below the nipple line

A

if unstable w/ + fast –> immediate x- lap

inconclusive fast- consider DPL

below nipple= could involve abdominal cavity

20
Q

Nec Fash on CT

A

gas in deep tissue

21
Q

Appendicitis > 5 days after onset usually have

A

Perforation/ abscess formation