3, 4, 5 Star topics 2 Flashcards
Cushingβs triad (4)
HTN, bradycardia, bradypnea
Sign of increased ICP
Glasgow coma scale categories (3)
Eye opening (4): spontaneous, to voice, to pain, none Verbal response (5): oriented, confused, inappropriate words, incomprehensible sounds, none Motor response (6): obeys commands, localizes pain, withdraws from pain, flexion w/ pain (decorticate), extension w/ pain (decerebrate), none
GCS total scores and diagnoses (3)
12+ minor brain injury w/ probable recovery
9-11: moderate severity requiring close observation for changes
8 or less: coma, intubate, assoc w/ 50% mortality
Post-op fever causes (3)
Wind, Water, Walking, Wound, Wonder drugs
PNA (after day 3)
UTI (after day 3-5)
DVT/PE (any time)
Wound (after day 5-8)
Medications
Also transfusion rxn, thrombophlebitis, sinusitis (NG tube)
Mild intermittent asthma (3)
Symptoms < 2x/week
Night symptoms < 2x/month
Inhaled short acting B2 agonist
Mild persistent asthma (3)
Symptoms 3-6x/week
Night symptoms > 2x/month
Inhaled short acting B2 agonist +
Daily inhaled low-dose steroid
Moderate persistent asthma (3)
Symptoms daily Night symptoms > 1x/week Inhaled short acting B2 agonist + Daily inhaled low to medium dose steroid + Long-acting B2 agonist
Severe asthma (3)
Symptoms constantly, w/ minimal activity Awake multiple times/night Inhaled short acting B2 agonist + Daily inhaled high dose steroid + Long-acting B2 agonist + Consider systemic steroids, LT inhibitors, theophylline
Crohnβs site (4)
Entire GI tract (perianal fistulas, oral ulcers)
MC site: distal ileum
Skip lesions
Entire bowel wall (transmural inflammation)
IBD - watery diarrhea (4)
Crohnβs
IBD - bloody diarrhea (4)
UC
Crohnβs PE (4)
RLQ abdominal mass
Perianal fissures and fistulas
Oral ulcers
Fever, abdominal tenderness
Crohnβs radiology (4)
Cobblestoning
Skip lesions
String sign
Crohnβs treatment (4)
Azathioprine or Mercaptopurine
Anti-TNFa (infliximab, adalimumab)
Steroids and abx for acute exacerbation
Try to avoid surgical resection
UC treatment (4)
Total colectomy is curative
Sulfasalazine
Supplemental iron
Steroids, immunosuppressives
IBD complications (4)
Crohnβs - abscess, fistula, fissure, malabsorption, toxic megacolon
UC - significantly increased risk of colon cancer, hemorrhage, toxic megacolon, bowel obstruction
UC radiology (4)
Lead pipe colon w/o haustra, colon shortening
Continuous involvement
Pseudopolyps, friable mucosa
UC site (4)
Continuous disease, rectum to distal ileum
Only mucosa and submucosa
CRC risk factors (4.5)
Colonic polyps (esp adenomas), fam hx, personal hx, hereditary polyposis syndromes, UC, low-fiber/high-fat diet, alcohol, smoking, DM
CRC MC mets (4.5)
Lung, liver
CRC radiology sign (4.5)
Apple core lesion
CRC treatment (4.5)
Surgical resection + regional LN resection (at least 12)
Adjuvant chemo if +LN
CRC monitoring post treatment (4.5)
CEA q3 months
CT chest/abd q1 year
Colonoscopy at 1, 3, q5 years
CRC prevention (5)
Starting at 50 yo (if family hx in first degree relative, start at 40 yo or 10 years before family member dx)
Annual FOBT
Colonoscopy q10 years OR
Flexible sigmoidoscopy + FOBT + double barium enema q5 years
If polyps are found, colonoscopy q3-5 years
Stop screening at 75 years old or <5 yr life expectancy
GI bleed most likely upper (4.5)
Hematemesis, coffe-ground emesis, melena
GI bleed most likely lower (4.5)
Hematochezia, lightheadedness, hemodynamic instability
Next step GI bleed (4.5)
IVF, transfusion if unstable (HR, BP, UO)
Hematocrit >30%, INR <1.5
Next step GI bleed + hemodynamically stable (4.5)
NG tube w/ lavage
EGD or colonoscopy
Common causes upper GI bleed (4.5)
MCC = PUD Mallory-Weiss tears Esophagitis Esophageal varices Gastritis
Common causes lower GI bleed (4.5)
MCC = diverticular disease (<40 yo) Neoplasm UC Mesenteric ischemia AVMs Hemorrhoids Meckel diverticulum
Common causes of acute pancreatitis (4.5)
BAD HITS Biliary (gallstones, ERCP) (40%) Alcoholism (35%) Drugs (HIV esp didanosine, diuretics, valproate, azathioprine, estrogens) Hypertriglyceridemia/Hypercalcemia Idiopathic Trauma Scorpion sting
PE signs of acute pancreatitis (4.5)
Acute epigastric pain radiating to back, N/V
Grey Turner sign (bluish discoloration of flank)
Cullen sign (periumbical discoloration)
Radiology signs of acute pancreatitis (4.5)
Sentinel loop (loop of dilated bowel near pancreas) Colon cutoff sign (R colon distended until pancreas) Pseudocyst or enlarged pancreas
Acute pancreatitis complications (4.5)
Pancreatic abscess, pseudocyst Necrosis, fistula formation Renal failure Chronic pancreatitis Hemorrhage Shock DIC Sepsis Respiratory failure
Chronic pancreatitis complications (4.5)
Ductal obstruction, pseudocyst
Malnutrition
Glucose intolerance
Pancreatic cancer
Most sens/specific lab for chronic pancreatitis (4.5)
Low fecal elastase
Treatment acute pancreatitis (4.5)
Hydration, NG suction, NPO
Pain control w/ opioids
+/- prophylactic abx
Cholecysectomy if gallstones
Treatment chronic pancreatitis (4.5)
Stop alcohol use, smoking
Opioids
Enzyme and vitamin supplementation
Change diet to low-fat, small meals