management of BAT: unstable and stable
unstable: ABC than FAST; + fast laparotom, inconclusiv do DPL than if positive laparotomy; negative fast or dpl look for extraabdominal hemorrhage, + stabilize with splint or angio, - stabilize and abdominal CT
stable: ABC than abdominal CT
penetrating trauma management?
abc, than on warfarin infuse ffp than laparotomy otherwise abc and than laparotomy
duodenal hematoma management
resolve on own in 1-2 weeks and NG suction/parenterall nutrition with intervention. Surgery if conservative fails.
hemorrhagic shock tx regimen that differs from norm?
fluids before mechanical ventilation to prevent circulatory collapse
symptoms of acute arterial occlusion and tx?
5 p (pain, pallor, poikilotherma, paresthesia, pulsenessnes and paralysis). IV heparin
mcc rapid deceleration chest trauma?
aortic rupture
pt comes in and has right sided pneumothorax that does not get better with chest tube placement?
bronchial rupture
best initial/most accurate bronchial rupture?
cxr initial. high res CT/bronchoscopy/surgery
management of hypotension refractory to fluids after trauma?
ongoing occult blood loss with surgical exploratory laparotomy to stop further hemorrhage
management of pneumoa
small-less than 2 cm and stable-observe
large-chest tube or needle aspiration
clinically unstable or tension pneumo-urgent needle decompression, then chest tube placement (tube thoracostomy)
management of trauma to neck?
think cervical spine and immobilization cervical spine before ABC. then OROTRACHEAL intubation
Lowering ICP interventions?
Pharmacologic: IV mannitol, sedation to decrease metabolic demand
Respiratory: Hyperventilation
Physical: head elevation, removal of CSF
ddx anterior mediastinal mass?
thymoma, teratoma, thyroid neoplasm, and terrible lymphoma
sign of gastric outlet obstruction?
succussion splash (placing stethoscope over abdomen and rocking patient back and forth at hips with retained gastric material greater than 3 hours after a meal)
preferred imaging for diagnosis of acute mestenteric ischemia?
1) CT and if inconclusive mesenteric angio
management of acute mesenteric ischemia vs ischemic colitis?
both pretty similar: iv fluids, ng decompresstion, antibiotics, and bowel resection for infarct or perf
diagnosis and test confirming for diaphragmatic rupture?
ng tube in chest, and ct chest confirms diagnosis
management of complicated diverticulitis?
fluid collection less than 3 cm: IV abx and observation. fluid collection greater than 3 cm: CT guided percutaneous drainage
management of diverticulitis normally?
IV fluids, NPO, and abx (IV or oral)
physical exam for SBO vs ileus?
sbo-hyperactive bowel and no large bowel dilation
ileus-hypoactive bowel and large bowel dilation
patient comes in with air under diaphragm (perforated peptic ulcer or other viscus organ) management?
surgical emergency
tx anal fissure?
high fiber diet, adequate fluid, sitz bath, stool softener, nifedipine and nitroglycerin
SIRS criteria (must meet 2 of 4)
fever greater than 101.4 or less than 95, wbc greater than 12k or less than 4000, rr greater than 20 or pco2 less than 32, pulse greater than 90
tx psoas abscess?
surgical drainage and broad spectrum abx
tx and complication of retropharyngeal abscess?
drainage and iv broad spectrum. if mediaspinal spread which is complication can cause necrotizing mediasinitis by spreading to posterior mediastinum. tx. debridement of mediastinum
tx retroperitoneal abscess?
percutaneous drainage catheter, culture of drained fluid, and surgical debridement
tx of retroperitoneal hematoma?
hemorrhage and hematoma within 12 hours of cath. iv fluids, bed rest, and blood transfusion if necessary (supportive)
causative organism prosthetic joint and timeline?
less than 3 months: s aureus, gram neg rods, anaerobe
greater than 3 months: s epidermidis, propionibacterium, enterococci
What is tetanus pphx?
generally always tetanus toxoid containing vaccine only!!
if unimmunized, uncertain, or less than 3 tetanus toxoid doses you give both vaccine and TIG
humerus midshaft fracture nerves injured?
radial nerve most common (wrist drop), ulner nerve also commonly (claw hand)
cause and complication of supracondylar humerus fracture?
falling on outstretched hand. brachial artery most likely injured (leading to loss of brachial and radial pulses), median nerve injury), median nerve injury, cubitus varus deformity and compartment syndrome secondary to ischemia
complication of undiagnosed compartment syndrome in supracondylar humerus fracture?
volkmann contracture
most common locations of nondisplaced hairline (stress) fracture?
second metatarsal or tibia
complication and management of hip fracture
femoral neck/head-greater risk of avascular necrosis
extracapsular-greater need for implant devices (eg nails, rods)
SURGERY
Best initial test for urethral injuries?
Retrograde urethrogram
Cause of urethral injuries?
anterior-straddle injuries or instrumentation
posterior-pelvic fracture
major difference besides cause of anterior vs posterior urethral injuries?
anterior-may not complain of problems with voiding
posterior-pelvic hematoma can cause high riding prostate and can have sensation of inability to void even with urge present
obturator nerve damage cause of injury, level, and presentation?
pelvic surgery, L2-L4, medial thigh decreased sensation and loss of adduction
femoral nerve damage cause of injury, level, and presentation?
pelvic fracture, L2-L4, loss of hip flexion and thigh extension
tibial nerve damage cause of injury, level, and presentation?
Knee trauma or baker cyst (proximal) and tarsal tunnel syndrome (distal). L4-S3. Inability to curl toes and loss of sensation on sole of foot. proximal lesions also lose standing on TIPtoes (tibial inverts and plantarflexes)
common peroneal nerve damage cause of injury, level, and presentation?
trauma or compression of lateral aspect of leg. fibular neck fracture. L4-S2. loss of PED (plantar everts and dorsiflexes) leading to foot dropPED. loss of dorsum sensation.
nerve block during child birth?
s2-s4 pudendal nerve.
nerve that tibial and fibular originate from?
sciatic
superior gluteal damage cause of injury, level, and presentation?
iatrogenic secondary to IM medial gluteus injection. superior gluteal innervates medius and minimus. L4-S1. trandelenberg gait with pelvic drop contralateral to side of injury and ipsilateral to standing
inferior gluteal damage cause of injury, level, and presentation?
posterior hip dislocation L5-S1, difficulty rising from seat, climbing stairs, and loss of hip extension. inferior gluteal innervates maximus
mcc edema?
valvular incompetence that worsens throughout day and becomes better at night
most common location of venous stasis dermatitis?
medial leg below knee and above medial malleolus
What maneuver can prevent postoperative atelectasis?
sitting upright increases frc by 20-35%
acid base of atelectasis?
initial resp acidosis and than resp alkalosis to compensate for hypoxemia
location of needle thoracostomy and chest tube placement?
midclavicular 2nd intercostol space. midaxillary 5th intercostal space.
cause and management of dumping syndrome?
postgastrectomy with rapid emptying of hypertonic gastric contents with loss of pyloric sphincter action manifesting 15-30 mins after a meal. management with frequent small meals, replace simple sugars with complex carbs, incorporate high-fiber and protein-rich foods
anterior spinal cord syndrome cause and symptoms?
taa repair with asa artery ischemia. flaccid paralysis below lesion and bilateral loss of pain and temp below level of injury. vibration and propioception preserved.
most common organs involved BAT?
liver or spleen
definition massive hemoptysis and intervention?
greater than 600 mL or 100 ml/hour and intervention with bronchoscopy to have better visualization of site and if necessary balloon tamponade or electroacutery. if this doesnt control bleeding, can do thoracotomy
rotator cuff tendinopathy vs tear?
severe pain with abduction from repetitive movements above head due to impingement of tendon between humeral head and acromion vs more weakness with abduction after a fall
persistent pain with decreased range of motion in multiple planes?
adhesive capsulitis
audible pop and bulge over the anterior arm?
biceps tendon rupture
most common injured humerus fracture midshaft?
radial and ulnar nerve
most common injured supracondylar humerus fracture?
brachial artery and median nerve.
best test ischemic colitis?
CT with contrast. angio is most accurate
penetrating abdominal trauma next best step?
IMMEDIATE LAP
diaphragmatic hernia suspicion CXR best next test?
ct chest and abdomen.
management of mi and chf in perioperative evaluation for surger?
recent mi must defer surgery for 6 months and stress patient at that interval. chf medical managment with ACE, B-blocker and spironolactone
perioperative testing for patients with hx of cardiac disease or without history of cardiac disease?
no hx: only ekg
hx cardiac disease: ekg, stress test, and echo
periop testing for known lung disease of hx smoking?
pft
c-spine injury management of airway?
orotrach intubation with flex bronch
three types of distributive shock and how to differentiate them?
neurogenic, septic, anaphylactic. neurogenic has decreased CO and septic and anaphylactic has increased CO. septic no change pcwp and anaphylactic has decreased pcwp
cullen sign PE and cause?
bruising around umbilicus. hemorrhagic pancreatitis and aaa rupture
grey turner sign PE and cause?
flank bruising. retroperiotoneal hemorrhage
kehr sign PE and cause?
pain in the left shoulder secondary to subdiaphragmatic peritonitis. splenic rupture, bladder injuries, bowel, bile, or pancreatic secretions
balance sign and cause?
dull percussion on left and shifting dullness to right. splenic rupture
seatbelt sign and cause?
bruising where seatbelt in deceleration injury
atelectasis vs tension pneumo on cxr?
atelectasis pulls trachea toward involved lung and tension pneumo pushes trachea away
most common location for infarction in the bowel?
watershed at splenic or hepatic flexure, and rectosigmoid (ima)
what is hamman sign?
crunching heard on palpation of the thorax due to subcutaneous emphysema
most common location boerhaave vs mallory weiss?
boerhaave left posterolateral aspect of distal esophagus. mallory weiss at GEJ
diagnosis of boerhaave or mallory weiss?
gastrografin esophagram
gastric perforation best initial and most accurate?
cxr showing free air and ct most accurate
managment of rlq pain fever, leukocytosis and anorexia for greater than 5 days.
complicated appendicitis with abscess formation is diagnosis. if stable, bowel rest and iv abx with abscess drainage. return in 6-8 weeks for appendectomy
managment acalculous cholecystitis?
abx followed by percutaneous cholecystostomy with later lap chole
drug used to alleviate obstruction from stool impaction int patients on chronic opioids?
methylnaltrexone
hallmark lab sign of sbo?
elevated lactate with marked acidosis
best initial/most accurate fecal incontinence testing and tx?
flex sig/anoscopy. anorectal manometry most accurate. tx is stool bulking agent, exercises via biofeedback, or injection of dextranomer/hyaluronic acid to decrease incontinence
when do you do closed reduction?
mild fracture without displacement
when do you do open reduction and internal fixation?
severe fractures with displacement or misalignment of bone pieces
when do you do open fractures?
skin must be closed and bone must be set in operative room with debridement
presentation of anterior shoulder dislocation and concern?
arm held to side with externally rotated forearm must rule out axillary artery or nerve injury. supinated
presentation of posterior shoulder dislocation?
arm is medially rotated and held to side. pronated
pain in index finger that is found to be flexed while others extended. and when pulled free, loud popping sound and pain subsides treatment.
trigger finger. tx with steroid injection
presentation, tests to confirm, and tx of fat embolism?
confusion, petechial rash, and dyspnea within 5 days of fracture (after 12-72 hours). Po2 less than 60 and cxr with infiltrates. keep po2 above 95% and intubation if necessary
definition compartment syndrome?
compression of nerves, blood vessels, and muscles inside a closed space
unhappy triad?
acl/mcl/medial or lateral meniscus
managment of AAA testing?
3-4 cm-u/s every 2-3 yrs
4-5.4 cm-us or ct every year
greater than 5.5 and asymptomatic: surgical repair
testing for aortic dissection in unstable vs stable?
unstable-TEE, stable-MRA
tx of pneumonia postoperative?
vanco and pip tazo (HAP)
post op fever causes and days?
Wind (1-2), water (3-5), walking (5-7), wound (7), weird (8-15 by drug fever or deep abscess with ct scan needed)
postop confusion workup and causes?
abg, cxr, cbc. septic or hypoxic patient. if hypoxic and no cxr changes, think pe. cxr changes think pneumonia. if septic with abnormal cbc, think bacteriemia or uti and tx with empiric.
postop patient with severe hypoxia tachypnea and accessory muscle use with cxr showing bilateral pul infiltrates without JVD dx and tx?
adult respiratory distress syndrome. tx with PEEP
forced hyperextension of neck in rear end collision
central cord syndrome
burst fractures of vertebral bodies
anterior cord syndrome
tx of black widow vs brown recluse spider
iv cal gluconate vs dapsone
tx of prolonged surgery with numerous blood given and DIC develops?
FFP/ platelets. if also hypothermia and acidosis need to stop surgery and pack abdomen
compartment syndrome formal diagnosis?
pressure in compartment greater than 30, of change in pressure DBP-compartment is less than 20-30
scaphoid fracture managment?
intitial x-ray negative means repeat 7-10 days and immobilize. initial x-ray showing small radiolucent means nondisplaced less than 2 mm and no angulation and than means 4-6 months of wrist immobilization