Surgery GI/GU Flashcards
RENAL ABD PAIN
- CC sounds like?
- work up
- ddx
CC: colicky right sided flank pain, n, v, hematuria, CVA tenderness
WU: UA, BUN/Cr, CT abdomen, renal US, KUB, blood cultures
DDx: nephrolithiasis, renal cell carcinoma, pyelnephritis, GI etiology, glomerulonephritis, splenic rupture
PANCREAS ABD PAIN
- cc
- wu
- ddx
CC: dull epigastric pain that rad to back
WU: Ct abd, CBC, electrolytes, amylase, lipsae, AST, ALT, bilirubin, alk phosh, US Abd
DDX: pancreatitis, pancreatic CA, PUD, cholecystitis/cholechodo
GALLBLADDER ABD PAIN
- cc
- wu
- ddx
CC: RUQ
WU: RUQ US, CBC, CMP, HIDA scan, MRCP/ERCP, Amylase/lipase, alk phosp, bili
ddx: cholecystitis, choledoco, hepatitis, asending cholangiitis, fitz-hugh-curtis syndrome, acute subhepatic appendicitis
LIVER ABD PAIN
- cc
- wu
- ddx
CC: RUQ pain, fever, anorexia, nausea, vom, dark urine, clay stool
WU: CBC, amylase, lipase, liver enzymes, viral hepatitis serologies, UA, US Abd, ERCP, MRCP
ddx: acute hep, acute chole, asend cholangitis, choledocho, pancreatitis, primary sclerosing cholangitis, primary biliary cirrhosis, glomerulonephritis
SPLEEN ABD PAIN
- cc
- wu
- ddx
CC: severe LUQ pain +rad to left scapula with hx of infectious mono
wu: CBC, CXR, CT/US abd
ddx: splenic rupture, splenic infarct, kidney stone, rib fx, pneumoina, perf peptic ulcer
STOMACH ABD PAIN
- cc
- wu
- ddx
CC: burning epigastric pain after meals
WU: rectal exam–occult blood in stool, amylase, lipase, lactate, AST, ALT, bili, alk phosph, upper endoscopy (H. Pylori biopsies), upper GI series
ddx: PUD, perf PUD, gastritis, GERD, cholecystitis, mesenteric ischemia, chronica pancreatitis
INTESTINES ABD PAIN
- cc
- wu
- ddx
CC: crampy abd pain, v, abd distention, inability to pass flatus
workup: rectal exam, CBC, electrolytes, CT abd/pelvis, colonoscopy
DDX: obstruction, SB or colon CA, volvulus, gastroenteritis, food poisoning, ileus, hernia, mes ischemia/infarction, diverticulitis, UC, Crohns, IBS, celiac,
Boas sign
ref pain to subscapular area due to phrenic nerve irritation
-cholecystitis
TOC for cholecystitis
-findings?
US
- thickened GB >3mm
- distention
- sludge
- stones
- pericholecystic fluid
- sonographic murphys sign
gold standard test for cholecystitis
HIDA scan–>shows GB ej fraction and if stones are present in cystic ducts
**if pt is fasting… scan can show false decr ejcection fraction—– inject with morphine or CCK (Cholecystokinin)
TX options for acute chole
Conservative: NPO, IV ABX (third gen ceph + metronidazole)
Cholecystectomy
Meperidine preff to Morphine (causes contraction of spincter of oddi)
what patient population does acalculous cholecystitis occur in
very ill pt–hospitalized
lab findings for acute chole
- evelv WBC
- elev lipase, AST/ALT
- elev Total Bili: direct»_space;»indirct
most specific test for acute chole
HIDA
what can chronic cholecysttis lead to
porcelin GB—premalignant condition
List Charcot’s triad
RUQ + Jaundice + fever =cholangitis
List Reynold’s pentard
RUQ + Fever +Jaundice +AMS + hypotension
RUQ + Fever +Jaundice +AMS + hypotension
Reynold’s pentad
RUQ + fever + jaundice
Charcot’s triad
define cholangitis
omplication of gallstones with symptoms secondary to an infected obstruction of the common bile duct (E.coli is the #1 cause)
Pruritis + jaundice=?
primary sclerosing cholangitis
-chronic liver dz characterized by a progressive course of cholestasis with inflammation and fibrosis of intrahepatic and extrahepatic bile ducts
Primary Sclerosing Cholangitis MC ocurs in who
UC patients
what does an elevated alk–phosphate mean
obstruction to bile flow—- cholestasis in ANY part of the biliary tree
-normal levels make cholestasis unlikely
what is GGT
used to confirm that the ALK-P elevation is of hepatic origin ***enzyme found in liver
Pancreatitis
- mcc acute
- chronic mcc?
- other causes
Gallstones (mc acute)
ETOH (MC chronic)
Trauma
Steroids Mumps Autoimmune Scorpion Hypercalcemia/hypertrigs ERCP Drugs
what does pancrease secrete
glucagon
amylase
insulin
pain assoc with pancreatitis lessens when?
pt leans forward or sits in fetal position
Triad for chronic pancreatitis
DM
Steatorrhea
Calcifications
diagnostic findings for pancreatitis acute and crhonic
- labs
- toc for acute and crhonic
-prandial epigastric pain
LABS:
*incr lipase –>more sensitive and specific vs amylase—>but has to be elev 3x
*amylase: transient, can go back to normal 24-72 hrs
*incr WBC
*liver enzyes +/- increase
*mild hyperbilirubinemia
*hyperglycemia
*hypocalcemia
*
CHRONIC: calcifications on US/gallstones, amylase and lipase NOT elevated
TOC acute= abd CT
TOC chronic= MRCP
Abd XRL sentinel loop–>look for diminished bowel sounds in exam question
TX for pancreatitis
MAINSTAY=supportive: NPO, IVF**, analgesics, bowel rest
**inadeaute IVF resustication in first 48 hours–>can lead to severe pancreatiits
*ERCP if biliary sepsis suspected
CHRONIC= addresss underling cause: most commonly is ETOH abuse
- stop drinking
- low fat diet
- enzyme replacement
- surgical removal of damaged part
Dysphagia with liquids AND solids suggest?
Achalaisa
-motility disorder
dysphagia with only solid food suggestive of? (3)
- stricture
- ring
- tumor
upper endoscopy
- another name?
- proceudre
- what is seen?
- good for?
- not helpful for ??
esophagogastroduodenoscopy (EGD)
- put fiberoptic camera down into esophagus to visualize problem
- SEE: high quality color imaging of esoph, gastric and duodenal LUMENS
- can also do biopsies, injection catheters for delivery of drugs, balloon dilators or hemostatic devices
GOOD FOR: mucosal lesions, biopsies or interventional procedures are required (dilation, banding)
minimally invasive**
NOT GOOD FOR: looking at motion.. aka mobility disorders
Esophagram
- name the two types
- what is needed with these tests?
- Good for?
- cons?
- high sensitivtiy for?
- XR — still
- Fluoroscopy—real time/moving XR
*contrast PO is needed so it illuminates inside esophagus “BARIUM SWALLOW”
GOOD FOR: function and morphology: strictures, compression and altered anatomy: reflux, hiatal hernias, mucosal granulairty, erosions, ulcerations, strictures
high sensitiity for detecting strictures vs endoscopy
CON:
-not good for looking at mucosa
-not fully diagnostic and PT will eventually need endoscopy—even if the esophagram study is negative …why???? because next step would be to obtain biopsies, provide tx, or clarify any abnormal findings in case of + exam OR to add certainty to a - exam
two types of contrast used for esophagrams
brium
gastrografin
what is the most useful test for evaluation of proximal gasotrintestinal tract
endoscopy
list advantages of endoscopy vs barium esophgram
list the disadvantage
ADV
- increased sensitivity for detection of mucosal lesions
- increased sensitivity for detection of abnormalities like Barretts esophagus or vascular lesions
- ability to obtain biopsies
- ability to dilate strictures DURING exam
DISADV
- expensive
- low sensitivity for detection of non-focal esophageal strictures
- sedatives or anesthetics are req
what is quad therapy
-triple?
quad therapy (metronidazole, tetracycline, pepto, PPI)
proton pump inhibitor, clarithromycin and amoxicillin or an imidazole)
air under diaphgram on CXR
perf peptic ulcer
sudden onset of severe abdominal pain–may radiate to the shoulder blade with + peritonitis s/s
perf ulcer
MC site for anal fissure
posterior midline
severe tearing pain on defecation accomp with hematochezia
*bright red stool on TP
anal fissure
throbbing rectcal pain worse with sitting, couhging and defication
anorectal abscess/fistual
sentinel pile on PE
aka fissure
***anorectal abscess, fissure
severe rectal pain when he defecates. He has a fever of 39 C. On exam a palpable mass is felt at the anal verge.
anorectal abscess
*****result of an infection
fistula is what?
result of chronic abscess
perianal drainage, perirectal abscess, recurrent perirectal abscess, “diaper rash,” itching
fistula
What disease should be considered with fistula in ano?
chrons dz
How do you find the internal rectal opening of an anorectal fistula in the O.R.
Inject H2 O2 (or methylene blue) in external opening—then look for bubbles (or blue dye) coming out of internal opening
sudden onset of severe colicky flank pain associated with nausea and vomiting as well as the absence of rebound or direct testicular tenderness
+microscopic hematuria
nephrolithiasis
- pain will radiate into testicles for men
- afebrile too
phren sign
(+)= ?
(-) = ?
if it is + seen with epididymitis
*pain is relieved with elevation of the scrotum
- sign is seen with testicular torsion
Marfans syndrome PE findings
Ectopia lentis, aortic root dilation and aortic dissection are major criteria for the diagnosis of the disease.
particularly long arms and fingers and a pectus excavatum
what is adjuvant therapy of choice in post-menopausal estrogen receptor positive axillary node negative breast cancer?
Tamoxifen
-estrogen modulator
when is chemotherapy indicated with BC?
tumors > 1 cm
when is bisphosphonate therapy used in BC
if there is METS to the bone
Recurrent nephrolithiasis may be one of the presentations of
primary hyperparathyroidism
Measurement of ________levels would be the initial laboratory test for the evaluation of hypercalcemia.
parathyroid
____ prophylaxis considered in all burn patients
tetanus
when do you use LMW heparin for prophylaxis of venous thromboembolism
-ortho neuro trauma surgery with RF for clots
venous thromboembolism prophylaxis for low risk minor procedures in PT under 40
early ambulatio n
acute phase of adrenal crisis is treatred with
IVF
hydrocortisone
Class I indications for CABG from the American College of Cardiology (ACC) and the American Heart Association (AHA) are as follows
- Over 50% left main coronary artery stenosis
- Over 70% stenosis of the proximal left anterior descending (LAD) and proximal circumflex arteries
- Three-vessel disease in asymptomatic patients or those with mild or stable angina
- Three-vessel disease with proximal LAD stenosis in patients with poor left ventricular (LV) function
- One- or two-Vessel disease and a large area of viable myocardium in high-risk area in patients with stable angina
- Over 70% proximal LAD stenosis with either an ejection fraction (EF) below 50% or demonstrable ischemia on noninvasive testing
_______is the treatment of choice in patients with pulmonary embolism with normal ventricular function and no absolute contraindications.
anticoagulatio n
_______ is the treatment of choice in a diabetic with two or three vessel disease
CABG
indications for Billroth I surgery
procedure for gastroduodenostomy is the most physiologic type of gastric resection, since it restores normal continuity
- gastric ulcers
- type of reconstruction after a partial gastrectomy in which the stomach is anastomosed to the duodenum
Dumping Syndrome
-what is it
- complication of bariatric surgery
- s/s due to rapid gastric emptying and rapid fluid shifts when large amts of CHOs are ingested
CM
- early: bloating, flatus, diarrhea, abd pain, nausea, vasomotor (dizziness, tachypnea, hypotension, flushing)—withint 15 mins
- late: hypoglycemia, syncope
DX -clinical - TX -decr CHO intake -eat more freq with smaller meals,
In patents with diabetic retinopathy, what clinical intervention is most successful in preserving vision?
Panretinal laser photocoagulation
-
PTs taking steroid medicine, what should they do to the dose if they become sick?
To better mimic the normal physiologic response the baseline dose should be doubled for the duration of the illness. Doses should be increased 5-10 fold with major events such as surgery.
EX: takes 25 mg regulalry…. SICK DOSE= 50…. SURGERY DOSE= 125-250
Intestinal obstruction without complications is suggested by
crampy pain, abdominal distention, hyperactive bowel sounds, visible peristalsis, and minimal tenderness.
what is a key feature of duodenal ulcer
Epigastric tenderness
**pain is RELIEVED with eating
(gastric ulcer pain is worse with food)
________ represents one of the most common medical and surgical conditions seen during pregnancy.
GB disease
SBO xray finding
air fluid levels with distended loop of bowel
xray finding for perf duodenal ulcer
free air under the diaphragm
complaints of vague epigastric abdominal pain associated with jaundice and generalized pruritus. Physical examination reveals jaundice and a palpable non-tender gallbladder, but is otherwise unremarkable
pancreatic CA (head)
Courvoisier’s sign
palpable non-tender GB—due to obstruction from pancreatic CA
RF for pancreatic CA (6)
age, tobacco use, obesity, chronic pancreatitis, family history and previous abdominal radiation.
MC skin CA
Basal
The most serious complication of Barrett’s esophagus is
esophageal adenocarcinoma
Drugs to tx MRSA
- IV
- PO
IV:
- vanco (pref for hosp acquired)
- daptomycin
PO
- clindamycin
- bactrim
- doxy
- minocycline
witin first __ days post op pnma can occur
5
Elevated _____levels can help distinguish post op pnma from other causes of fever and infiltrates after surgery
procalcitonin
MC bacteria involved with post-op pnemonia
Pseudomonas aeruginosa, Klebsiella pneumoniae, Acinetobacter species, and Staphylococcus aureus.
triad for DVT and name of it
Virchow’s triad
vascular endothelial injury or inflammation, stasis, and hypercoagulable state
specific findings for DVT
swelling of the whole leg, > 3 cm difference in circumference between calves, pitting edema, and collateral superficial veins
how is definitive dx of DVT made
venography
study of choice for PE
CT angiography
tx of choice for dvt
Anticoagulation therapy using subcutaneous heparin followed by oral anticoagulant (warfarin or a factor Xa or direct thrombin inhibitor)
What is phlegmasia alba dolens?
A rare complication of deep vein thrombosis (DVT) in pregnancy where the leg turns milky white.
Warfarin is contraindicated in
pergnancy