Step Up Quick Hits Flashcards
What is standard of care for stable angina?
ASA + B Blocker for mortality
Nitrates for CP
What type of infarct will present w/ clear lungs?
RV infarct
What EKG changes in anterior, posterior, lateral, and inferior MI?
anterior: ST elevate in V1 - V4, Q in V1-V4
posterior: R in V1, V2, ST depression in V1 V2
lateral: Q in I, aVL
inferior: Q in II, III, aVF
What agents decrease mortality in MI?
ASA, B lockers, ACEi
What tx are indicated in MI?
O2 nitroglycerin B Blocker ASA morphine ACEi IV heparin
What is MCC death in first few days after MI?
ventricular arrhythmia (VT or VFib)
What is tx for VT after MI?
if unstable – cardioversion
if stable –> IV amiodarone
What should you think if pt w/ MR after MI?
papillary muscle rupture
What are indications for using dig?
EF
What are side effects of dig tox?
N/v/anorexia
ectopic ventricular beats, AV block, AFib
visual disturbances, disorientation
What are indications for cardioversion vs defibrillaton?
cardioverson = AFib, A flutter, VT w/ pulse, SVT defibrillation = VFib, VT w/ a pulse
WHat are steps before cardioversion in AFib?
- if can cardiovert
if > 48 hrs or unknown: - do TEE if no thrombus can cardiovert, if yes thrombus anticoagulate for 3 wks then cardiovert
- or just skip TEE and anticoagulate 3 wks then cardioert
What is dz for paroxysmal SVT?
valsalva, carotid massage
if doesnt work –> IV adenosine
What are side effects of adenosine?
AH, flushing, SOB, chest pressure, nausea
What drug treatments for WPW?
procainamide or quinidine
avoid digoxin, verapamil b/c may increase accessory path conduction
What is tx if pt w/ non-sustained VT and underlying heart dz?
implantable defibrillator
What should you do if pt in asystole?
defibrillation does not work –> do transcutaneous pacing instead
What is pulseless electrical activity? next step?
electrical activity on monitor w/o pulse
What are indications for cardiac pacemaker?
- sinus node dysfunction = sick sinus syndrome
- symptomatic heart block: mobitz 2 second degree or complete
- symptomatic brady arrhythmias
- tachyarrhythmias to interrupt rapid rhythm disturbances
Which murmurs increase/decrease w/ squatting?
squatting increases all except MVP and HOCM
What are cardinal manifestations of acute pericarditis?
CP, pericardial friction ru, EKG changes, pericardial effusion (+/- tamponade)
What happens in early and late diastole in constrictive pericarditis?
early = rapid filling late = halted filling
(vs in cardiac tamponade have filling impeded throughout diastole)
What cardiac process should you r/o if pt w/ sx of cirrhosis (ascites, hepatomegaly) and distended neck veins?
r/o constrictive pericarditis
What dx test for pericardial effusion and cardiac tamponade?
echo
What is beck’s triad for cardiac tamponade?
hypotension, muffled heart sounds, JVD
venous waveforms = prominent x descent and absent y descent
What is tx for AS?
asx = none sx = surgery (aortic valve replacement
What are some specific physical findigns in aortic regurg?
- de mussets = head bobbing
mullers = uvula bob
duroziez = pistol shot sound heard over femoral arteries
What is tx for acute AR post MI?
medical emergency –> perform emergent aortic valve replacement
What are key features of MVP murmur?
mid systolic click
systolic rumbling murmur increases w/ standing and valsalva and decreases w/ squatting
What are duke’s criteria for endocaditis?
need 2 majoror 2 major and 3 minor or 5 minor
major:
- sustained bacteremia
- endocardial involvemeed (new regurg)
minor:
- predisposing
- fever
- vascular phenom: janeway, emboli
immune: glomerulonephritis, osler, roth - postiive b cx
- positive echo
What is murmur of VSD?
harsh blowing holosystolic murmur w/ thrill at 4th left intercostal space
decreases w/ vlasalva and handgrip
What is tx in hypertensive emergency?
IV –> hydralazine
What are preferred tests for dx acute aortic dissection?
TEE and CT
What type of aortic dissection involves ascending vs just descending?
ascending = A
just descending = B
What is lerische’s syndrome?
atheromatous occlusion of distal aorta just above bifurcation causes B/L claudication, impotence, absent/diminished femoral pulses
Which vessels lead to calf claudication? vs buttock/hip claudication?
calf = femoral or popliteal buttock/hip = aorto-iliac occlusive disease
What are sx of acute arterial occlusion?
pallor, pain, pulselessness, paresthesias, paralysis, polar (cold)
What is cholesterol embolization syndroem?
showers of cholesterol crystals from proximal source
- small discrete areas of tissue ischemia: blue toes, renal insufficiency, ab pain or bleeding
What is mycotic aneurysm?
aneurysm from damage to aortic wall 2/2 infection
tx = IV abx and surgical excision
What is luetic heart?
complication of syphilitc aortitis, aneurysm of aortic arch —> arotic regurg
What are characteristics of centrilobular emphysema?
MC type, smokers
- respiratory bronchioles destroyed
- upper lungs
What are characteristics of panolbular emphysema?
- a1 antitrypsin deficinecy
- proximal and distal acini
- lung bases
What happens to lung volumes in COPD?
- FEV1/FVC ratio
What are characteristics of pts w/ predominant emphysema?
- thin 2/2 increased energy expenditure w/ breathing
- lean fwd
- barrel chest
- tachypnea w/ prolonged exp. through pursed lips
- pt distressed and uses accessory muscles (esp strap muscles in neck)
What acid/base disturbanced in COPD?
chronic resp acidosis w/ met alklaosis as compensation
What is most important intervention for improving outcome in COPD?
smoking cessation
What are criteria for using O2 therapy in COPD?
PaO2
What is initial tx for mild-mod disease?
bronchidilator in metered dose inhaler –> anticholinergic or B agonist or combo
What are next steps if pt w/ COPD exacerbation?
- B agonist and anticholingeric systemic steroid abx (azithromycin or levo) O2 to keep about 90 NPPV (BIPAP or CPAP) if neded
What are signs of impending resp failure in pt w/ asthma attack?
- paradoxic movement of ab and diaphragm on inspiration
- normalizing/increasing CO2
- decreases breath sounds/movement
What happens to PFTs in asthma?
- decreased FEV1, FVC, ratio
- increase in FEV1 > 12% w/ albuterol
- decrease in FEV1 > 20% w/ methacholine challenge
- increase in diffusion cpacaity CO
Which types of lung CA require surgery vs chemo vs radiation?
surgery for non small cell lung CA + adjunct radiation
for small cell
- chemo + radiation for limited dz
- chemo alone for extensive dz
What kind of mediastinal masses in
- anterior
- middle
- posterior
anterior: thyroid, teratogenic, thymoma, lymphoma
middle: lung CA, lymphoma, aneurysm, cyst
posterior: neurogenic tumor, esophageal mass, enteric cyst, aneurysm
What physical exam findings in pleural effusion?
dull to percussion
decreased breath sounds
decreased tactile fremitus
What 3 dx likely if pt w/ pleural effusion w/ high amylase?
esophageal rupture
pancreatitis
malignancy
What dx likely if blood pleural effusion?
malignancy
What dx likely if pleural effusion pH
parapneumonic effusion
empyema
What should oyu r/o if pleural fluid w/ glucose
r/o RA
also could be: TB, esophagela rupture, malignancy, lupus
What physical exam findings in pt w/ pneumothorax?
decreased breath sounds
hyperresonance
decreased/absent tactile fremitus
mediastinal shift toward side of pneumothorax
What is first tx for spontaneous pneumothorax?
give supplemental O2 = helps quicken resporption of air in pleural space
What meds associated w/ ILD?
bleomycin gold amiodarone penicillamine nitrofurantoin phenytoin
What is MCC death in pt w/ sarcoid?
cardiac disease
What type of ILD w/ p-ANCA? c-ANCA?
p-ANCA: churg strauss (asthma + pulm infiltrates, eos), goodpasture (hemorrhagic pneumoinitis + glomerulonephritis)
c-ANCA: wegeners (necrotizing granuloma vasculitis of lung kidney upper-airway)
What ILD w/ pleural plaques?
asebestosis
What ILD w/ eggshell calcifications
silicosis
What are features of asbestosis?
lower lobe fibrosis
CXR w/ hazy infilarates and b/l linear opacities
What are features of siloicosis?
localized and nodular peribronchial fibrosis, more common upper lobes
2/2 mining, stone cutting, glass manufacturing
increased risk for TB
What are features of berylliosis?
hypercalcemia, granulomas, skin lesions
tx - steroids
What is tx for goodpasture?
IgG antibodies against glomerular and alveolar bBM
renal failure
hemoptysis + dyspnea
tx = plasmapheresis, cyclophosphamide, steroids
What is pulm alveolar proteinosis?
bat shape B/L alveolar infiltrates w/ ground glass on CXR
accumulation surfactant like protein and phospholipids in alveoli
What is hypoxemic resp failure? etiologies?
low PaO2 w/ PaCO2 low or normal
2/2 lung process –> ARDS severe pna, pulm edema
What is hypercarbic resp failure?
failure of ventilation –> decrease minute ventilation or increase in dead space
2/2 underlying lung dz (COPD, asthma, CF, severe bronchitis) OR 2/2 impaired ventilation due to neuromuscular dz, CNS depression, mechanic restriction of lung inflation, resp fatigue
What is tx for primary pulm htn?
IV prostacyclins, CCBs
What are 7 wells criteria for PE?
- sx of DVT: 3
- alternative diagnosis less likely: 3
- HR > 100: 1.5
- immobilization > 3 days or surgery in previous 4 wks: 1.5
- previous DVT/PE: 1.5
- hemoptysis: 1.0
- malignancy: 1.0
if total score > 4 –> high likelihood of PE skip D-dimer
What should happen to PH w/ every increased/decrease in PaCO2?
by 0.08
What are 3 sx specific to graves disease?
- exophthalmos
pretibial myxedema
thyroid bruit
What is effect of TBG on thyroid?
TBG increases w/ pregnancy, liver dz, OCP, asa
What does radioactive T3 uptake tell you?
radioactive T3 can bind to TBG or to resin
if increased radioactive T3 uptake to resin –> tells you true hyperthyroidism as T4 bound to TBG
if not –> just high TBG
What is likely cause of transient painful enlarged thyroid?
subacute granulomatous viral thyroiditis
What type of thyroid cancer cannot be dx w/ FNA?
follicular
What is hurthle’s cell tumor?
variant of follicular thyroid ca
spread by lymphatics, does not take up iodine
tx = total thyroidectomy
What is biggest risk factor for papillary thyroid CA?
radiation head/neck
What type of thyroid CA produces calcitonin?
medullary CA from para-follicular C cells
What is MCC death in acromegaly?
cardiovascular disease
What lab abnormalities in pt w/ acromegaly?
- hyperprolactinemia
- high glucose, TG, phosphate
- high IGF1 (somatomedin C)
How do you dx acromegaly?
- high IGF1
- oral glucose suppression test – > glucose fails to suppress GH (as it should in healthy individual)
What does calcification of suprasellar region suggest?
craniopharyngioma
What is tx for central DI?
desmopressin
What is tx for nephrogenic DI?
Na restriction and thiazide diuretics
What are major characteristics of SIADH?
- hyponatremia
- volume expansion w/o edema
- natriuresis
- hypouricemia
- low BUN
- normal or reduced cr
- normal thyroid and adrenal
What is tx w/ SIADH?
for asx: water restriction, NS w/ loop diuretic or lithium
for sx: restrict water intake, give isotonic saline
What are lab findings in pseudohypoparathyroidism?
hypoa
hyperPhos
high PTH
low urinary cAMP
what EKG changes in hypoparathyroid?
long QT from hypocalcemia
What are relative indications for surgery in primary hyperparathyroid?
age 400mg in 24 hr
What is tx for 2ndary hyperparathyroid 2/2 renal failure?
calcitriol and oral Ca + dietary phos restriction
What is initial screening test for cushing?
low dose dexamethasone suppression test
- give dexamethasone
- if serum cortisol not scushing
if > 5 –> cushing dz
OR 24 hr urinary free cortisol
What does a high dose dexamethasone suppression test tell you?
if positive –> cushings disease
if negative:
- + low ACTH: adrenal tumor
- + high ACTH: ectopic ACTH produceing turmo
What does CRH stim test tell you?
if ACTH/cortisol increases = a response = cushing disease
if ACTH/cortisol do not increase = no response = ectopic ACTH or adrenal tumor
What are rules of 10 for pheos?
- 10% familial
- 10% bilateraol
- 10% malignant
- 10% multiple
- 10% in kids
- 10% extra-adrenal
What is most common site of non-adrenal pheo?
organ of zuckerkandl = aortic bifurcation
will have high epi (vs adrenal cant methylate the norepi)
What should you give pt w/ pheo before/after surgery?
alpha block (phenoxybenzamine) for 10-14 d before surgery and B block (propanolol) for 2-3 days
alpha = for BP B = for tachycardia
What are the findings in MEN1?
3 Ps
- parathryoid hyperplasia
- pancreatic islet
- pitutiary tumor
What are the findings in MEN2A?
- medullary thyroid ca
- pheo
- hyperparathryoidism
What are the findings in MEN2B?
- mucosal neuropa
- nedullary thyroid
- marfinoid body
- pheo
What is next step for adrenal incidentaloma?
r/o functioning tumor
then resect any tumor > 6cm
how do you dx primary hyperaldosteronism?
aldo:renin ratio > 30
saline infusion –> if primary aldo, aldo levels will not decrease after saline
What isMCC addisons worldwide? in US?
in world = TB
in US = autoimmune
What are clinical findings in adrenal insufficiency?
wt loss weakness pigmentation anorexia nausea postural hypotension ab pain hypoglycemia
if adrenal insufficinecy w/ hyperK and hyperpigmentation what should you think?
primary (not secondary) etiology
How do you dx diabetes?
- two fasting gluc > 126 or >200 2hr postprandial
- single gluc > 200 w/ sx
- increased glucose on oral glucose tolerance test
- hemoglobin a1c > 6.5%
What is mech of sulfonylureas (glyburide, glipizide, glimepiride)? side effects?
stimulate pancreas to produce more insulin
can cause hypoglycemia, wt gain
What is mech of metformin? side effects?
enhances insuline sensitivity
CI w/ cr > 1.5 b/c of lactic acidosis GI upset (D/N, ab pain) metallic taste
What is mech of acarbose? side effects?
reduces glucose absorption from gut, reduces calorie intake
SE = GI upset
What is mech of thiazolidinediones (rosiglitazone, pioglitazone)? side effects?
reduces insulin resistance
hepatotoxic = need to monitor LFTs
What is difference between different types of insulin?
lispro = onset in 15 min, last 4 hr regular = onset 30-60 min, last 4-6 hr NPH = onset 2-4 hr, last 10-18 hr
glargine (lantus) = 3-4 hr onset, lasts 24 hr
What is definition of microalbuminuria?
30-300 mg/day
albumin-cr ratio 0.02 to 0.20
What is diabetic retinopathy?
hemorrhage, exudate, microaneurysms
can be proliferative –> new vessel formation, scarring, vitreal hemorrhage
What is presentation of DM CN3 palsy?
eye pain, diplopia, ptosis, inability to adduct eye
pupils are spared
What are two complications of treatment of DKA?
cerebral edema: if glucose levels rise too fast
hyperchloremic nongap met acidosis: 2/2 rapid infusion of large amt of saline
What is the body’s first line defense against severe hypoglycemia?
glucagon
What lab abnormalities in VIPoma?
watery diarrhea –> dehydration, acidosis, hypoK
achlorhydria
hyperglycemia
hypercalcemia
When should colon cancer screening begin in pt w/ family hx?
begin at 40 or 10 yrs before age of onset of family member
What are risk factors for CRC?
age > 50 adenomatous polyps personal hx of CRC IBD (UC?Crohns) first degee relative dz
What is gardner syndrome?
FAP + osteomas, dnetal abnormalities, benign soft tissue tumors, desmoid tumors, sebaceous cysts
What is turcot syndrome?
ar polyps + cerebellar medulloblastoma or GM
What side of GI tract presents w/ melena vs hematochezia?
melena = R side hematochezia = L side
How do R side vs L side colon cancer tumors usually present?
R = rare to obstruct, usually anemia, weak, RLQ weka, occult blood in stool
L side: obstruction, change in bowel habit, pencil stools
What is tx for colon cancer?
surgery
radiation not indicated
What is MC location of diverticulosis?
sigmoid colon
What are complications of diverticulosis?
painless rectal bleeding
diverticulitis
What are complications of diverticulitis?
absecess formation
fistulas
bowel obstruction
free colonic perforation
What is dx test of choice for diverticulosis? tx?
barium enema
tx = high fiber, psyllium
What is dx test of choice for diverticulitis?
CT scan w/ oral and IV contrast
contraindicated colonoscopy and barium enema 2/2 risk sof performation
What other disease process associated w/ bleeding AVM malformations in GI tract?
aortic stenosis
What is presentation of acute mesenteric ischemia? types?
compromised blood supply
- arteriol embolism: 2/2 a fib –> sudden painful
- arterial thrombosis: in pt w/ CAD/PVD, acute occlusion may be 22 plaque rupture or acute MI, more gradual sx
- nonocclusive: splanchnic vasoconstriction 2/2 low cardiac output in ill elderly
- venous thrombosis: in hypercoagulable states, portal HTN, malignancy
What are sx of acute mesenteric ischemia?
severe ab pain disproportionate to physical findings
pain 2/2 ischemia = like mI in CAD
anorexia, vomiting, tachypnea, hypotension, lactic acidosis, fever, mild GI bleed, AMS –> shock
What is dx test for acute mesenteric ischemia?
mesenteric angiography
get ab xr to exclude other causes
What is tx for acute mesenteric ischemia?
IVF, broad spectrum abx
arterial causes –> direct infusion papaverine = vasodilator
avoid vasopressors
What is presentation of chronic mesenteric ischemia?
abdominal angina = postprandial pain, wt loss
dx by mesenteric arteriography
tx = surgical revascularization
What is ogilvie’s syndrome?
sx of large bowel obstruction but no mechanical obstruction
decompress w gentle enemas of NG suction
What is next step if colonic distention w/ dm > 10cm?
decompress immediately –> bowel is at risk of impending rupture –> causing peritonitis and death
What is ppx tx for varices?
BBlocker
What is tx for variceal hemorhage?
IV abx
IV octreotide
emergent endoscopy once stabilize
What are features of ascites that suggest portal HTN is the cause?
serum ascites albumin gradient > 1.1
= serum albumin - ascites albumin
What is hepatorenal?
azotemia, oliguira, hypoN, hypotension, low urine Na
What is tx for hepatorenal syndrome?
liver transplant
What is hepatocellular adenoma?
benign liver tumor in young women
risks = OCP use, F, anabolic steroid use
What is MC benign liver tumor?
cavernous hemangioma
What type of bili high in filbert?
unconjugated
What is presentation of hydatid liver cysts?
2/2 echiinococcus granulosis
usually in R lobe
tx = surgical, give mebendaozle after surgery
What is presentation of amebic liver abscess?
M>F, fecal oral
entamoeba histolytica
fever, RUQ pain, N/V, hepatomegaly, diarrhea
tx = IV metronidazole
What kind of bilirubin can cause dark urine?
cnojugated bilirubin only
What are sx of cholestasis?
- jaundice, gray stool, dark urine pruritis high Alk Phos high cholesterol skin xanthomas malabsorption fats and fat soluble vitamines
Who gets pigmented gallbladder stones?
hemolsis (sickle, thalassemia, spherocytosis) or alc cirrhosis
What is dx test of choice for gallbladder stones?
RUQ US
How can you differentiate cholecystitis vs biliary cholic pain?
cholecystitis pain = 2/2 gallbladder wall inflammation, persists for daysbiliary colic pain = 2/2 contraction of gallbladder against obstructed cystic duct, lasts onyl a few hrs
What is presentation of cholescytitis?
RUQ pain, fever, leukocytosis 2/2 gallblader inflammation
What is acalculous cholecytitis?
cholecystitis w/o stones obstrcuting cystic duct
usually idiopathic
tx = emergent cholecystectomy
How do sx differ in cholelithiasis vs choledocholithiasis?
cholelithiasis = stone in gallbladder, biliary cholic choledocholithiasis = stone in common bile duct --> have jaundice
How do you dx choledocolithiasis?
US = initial study, ERCP is gold standard
What is charcot’s triad of cholangitis?
RUQ pain, jaundice, fever
pentad = triad + septic shock and AMS
WHat is most serious complication of cholangitis?
hepatic abscess
What is porcelain gallbladder?
intramural calcification of gallbladder wall –> 50% will go on to develop carcinoma, recommend cholecystectomy
What are complications of primary sclerosing cholangitis?
cholangiocarcinoma
recurrent cholangitis
progression to 2ndary biliary cirrhosis, portal HTN
liver failure
What is PSC?
jaundice + pruritis
ERCP to dx –> beeds on a string, stricturing and dialtiongs of intrahepatic and extrahepatic ducts
What is PBC?
cholestatic liver dz w/ destruction of intrahepatic bile ducts w/ inflammation and scarring
autoimmune
positive antimitochondrial antibodies, high chol, HDL, high IgM
What is tx for primary biliary cirrhosis?
cholestyramine for pruritis, Ca/vitd for osteoporosis
ursodeoxycholic acid to slow progression of dz
What is tx for primary sclerosing cholangitits?
stent placement for symptoms 2/2 stricture
What are klatskins tumors?
cholangiocarcinoma tumors in proximal 1/3 of common bile duct, involve jucntion of R and L hepatic ducts
poor prognosis b/c unresectable
What are risk factors for cholangiocarcinoma?
PSC = major risk factor
What is biliary dyskinesia?
motor dysrunction of sphincter of Oddi –> recurrent biliary colic w/o evidence of gallstones
dx by HIDA scan –> give CCK and see low EF of gallbladder
What is presentation of carcinoid syndrome?
cutaneous flushing, diarrhea, sweating , wheezing, ab pain, heart valve dysfcuntion
What should you think if pt w/ chronic epigastric pain and calcifications on plain xr?
chronic pancreatitis
What is classic traid of chronic pancreatitis/
steatorrhea, DM, pancreatic calcification
What type of esophageal Ca associated w/ barretts?
adenocarcinoma
What are risk factors for squamous esophageal cancer?
smoking
alcohol
nitrosamines
achalasia
What are risk factors for adenocarcinoma of esophagus?
distal 1/3
GERD
barretts
What is presntation of diffuse esophageal spasm?
hard to differentiate from cardiac cause of CP –> do a cardiac workup
mims angina, radittes to jaw, arms, back, dysphagia
dx: manometry
tx = nitrates, CCPs
WHat is pathogenesis of mallory weiss syndrome?
forceful vomiting –> increasd intra-ab pressure transmitted to esophagus
tear in mucosa at GE junction
What is boerhaaves? presentation?
esophageal tear transluminal –> perforation
can be 2/2 forceful vomiting
present: pain (retrosternal/chest/shoulder), tachycardia, hypotension, tachypnea, dyspnea, fever, hammans sign = mediastinal crunch, pleural effusion
What are features of plummer vinson syndrome?
upper esophageal web (dysphagia), iron eficiency anemia, koilonychia, atrophic oral mucosa
What is difference in presentation between duodenal and gastric ulcers?
duodenal = increase in asid secretion, eating relieves pain, nocturnal pan more common, risks = NSAIDs, low malignancy potential, up to 90% H pyloir
gastric = decrease defensive factors, higher malignancy potential, older pts, smoking is risk factor, eating does not relieve pain
Is smoking or alcohol more associated w/ PUD?
smoking
What are locations of gastric Ca met?
krukenberg = ovary blumer = rectum sister mary joseph = periumbilical lymph node virchow = supraclavicular Irish = L axillary
What are sx of proximal vs distal bowel obstruction?
proximal = frequent vomiting, severe pain, minimal ab distention distal = less freq vomiting, significant ab distention
What are lab findings in small bowel obstruction?
dehydration
low Cl, K, met alkalosis
What are extraintestinal manifestations of IBD?
eye: anterior uveitis, episcleritis
skin: erythema nodosum (crohn), pyoderma gangrenosum (UC)
arthritis: migratory monoarticular, ankylosing spondylitis (UC)
thromboembolic hyper coagulable
ITP
osteoporosis
gallstones in crohns
PSC in UC
What is tx for crohns?
sulfasalazine if colon involved
systemic steroids for actue exacerbation
what are pathology findings in crohns vs UC?
crohns: transmural inflammation, non-caseating granulomas, mesenteric creeping fat
UC: crypt abscesses, mucosa/submucosa inflammation
What level of urine Na suggests prerenal vs intrinsic renal cause of AKI?
urine Na 40 = intrinsic renal
What are lab findings in rhabdo?
high CPK, K, uric acid
low Ca
What is tx for rhabdo?
IVF, mannitol, HCo3
What are 2 MC deadly complications of AKI?
hyperkalemic cardiac arrest
pulmonary edema
What lab abnormalities in AKI?
met acidosis high K low Ca high Phos high uric acid
What is mech of contrast causing ATN?
spasm of afferent arteriole
What should you worry about if pt w/ painless gross hematuria?
bladder CA or renal cell CA
What is next dx step if suspect bladder ca?
cytoscopy
What is rapid progressive glomerulonephritis?
clinical syndrome w/ any type of glomerulonephritis and rapid deterioration of renal function ove wks - mos
What underlying conditions associated w/ membranous glomerulonephritis?
infection (hep B, C, syphilis, malaria), drugs (captopril, penicillamine), neoplasm, lupus
What is usual underlying dz w/ membrano-proliferative glomerulonephritis?
usually w/ hep C, can also be hep B, syphilis, lupus
associated w/ cryoglobulinemia
What is goodpasture? tx?
rapid progressive renal failure, hemoptysis, cough, dyspnea, igG anti glomerular abs
tx = plasmapharesis
What is analgesic nephropathy?
toxic injury to counter 2/2 over counter analgesic use (phenacetin, acetaminophen, nsaids, asa)
manifest as interstitial nephritis or renal papillary necrosis
What is mech of type 1 RTA? lab values?
distal = can’t secrete H+
hypokalemia
renal stones / nephrocalcinosis 2/2 increased Ca and phos excretion
What is mech type 2 RTA? lab values?
proximal = can’t reabsorb HCO3
hypokalemia
can be 2/2 multiple myeloma
What type of RTA w/ hyperkalemia?
type 4
What kind of RTA responds to HCO3?
type 1 = distal
What is hartnup syndrome?
AR, defect AA transporter, decreased reabsorption tryptophan –> nicotinamide deficiency
sx: dermatitis, diarrhea, ataxia, psych
What is fanconi syndrome?
prox tubul defect trasnport –> glucosuria, phophaturia, proteinuria, RTA type 2, hypercalciuria, hypkalemia
How do you dx RAS?
renal arteriogram
What are some causes of hypercalciuria leading to kideny stones?
- increased intestinal absorption
- decreaed renal reasborption
- increased bone reabsorption of Ca
- primary hyperparathyroid
- sarcoid
- malignancy
- vit D excess
What are some causes of hyperoxaluria leading to calcium stones?
- severe steatorrhea
- small bowel disease
- crohns
B6 deficiency
Are Ca stones radio-opaque or radiolucent?
radio-opaque = visible on xr
What are etiologies of uric acid stones? appearance?
flat square, radiolucent
seen w/ acidic urine pH
What are etiologies of struvite stones? appearance?
radiodense, rectangular prisms
in pts w/ recurrent UTIs from proteus, klebsiela, serratia, enterobacter
What is best test for diagnosing kidney stones?
noncontrast CT ? radiograph
What is next step for ongoing stone obstruction and pain not controlled by narcotics?
shock wave lithotripsy
if fails –> percutaneous nephrolithotomy
What is next step if abnormal digital rectal exam?
trans-rectal ultrasound w/ bx
How can you distinguish metabolic alkalosis 2/2 volume contraction vs expansion?
2/2 contraction = urine Cl 20, ECF expansion, hypertension
How much does 1 unit of RBCs raise hct?
by 3-4 points
When do you give FFP?
for high PT/PTT and deficiency of clotting factors, if liver failure, or waiting for vit K to take efffect
When do you give cryoprecipitate?
for hemophilia A, decreased fibrinogen (DIC) and vWD
What are intravascular hemolytic transfusion rxns?
acute hemolytic reactions - serious/life threatening 2/2 ABO mismatch fever, chills, N, V, flank/bak pain, CP, dyspnea tx: stop transfusion, give fluids
What are extravascular hemolytic transfusion rxns?
less severe, w/in 3-4 wks of transfusion
2/2 minor RBC antigens (kell)
sx = fever, jaundice, anemia
What does schilling test tell you?
- give IM dose unlabeled B12
- give oral dose radioactive B12
- measure B12 in urine and plasma to determine how much absorbed
- repeat w/ addition of intrinsic factor
if malabsorption –> IF will not help
if pernicious anemia –> IF will correct
What types of anemia present w/ schistocytes and helmet cells?
TTP, DIC, hemolytic anemia 2/2 prosthetic heart valve
What is splenic sequestration syndrome?
suddne pooling blood in spleen –> rapid splenomegaly and hypovolemic shock
What is presentation of acute chest syndrome?
CP, resp distress, pulm infiltrates, hypoxia
What are the causes of spherocytosis?
- hereditary spherocytosis G6PD deficiency ABO incompatibility hyperthermia autoimmune hemolytic anemia
What is presentation of G6PD deficiency?
heinz bodies in RBC from denatured RBCs
bite cells after removal of heinz bodies by spleen
deficiency NADPH formation on G6PD assay
What kind of hemolysis, Abs, etiology in warm AIHA?
IgG
extravascular hemolysis
splenomegaly
idiopathic or 2/2 lymphoma, CLL, SLE, a-methyldopa
What kind of hemolysis, Abs, etiology in cold AIHA?
IgM
intravascaular hemolysis –> in liver
2/2 idiopathic, mono, or mycoplasma
How can you tell difference between warm and col hemolytic anemia on coombs/smear?
direct coombs:
- if coated w/ IgG = positive direct coombs = warm AIHA
- ir RBCs coatd w/ complement alone = cold AIHA
if spherocytes may be warm AIHA
What are HIT type 1 and 2?
type 1: heparin directly causes platelet aggregation,
What test for vWD?
ristocetin assay
What happens to PT, PTT, thrombin time, fibrinogen, platelets in liver disease?
high PT, PTT
normal TT, fibrinogen, platelets
What happens to PT, PTT, TT, fibrinogen, PC in vit k deficiency?
long PT
normal PTTT, TT
What is tx for DIC?
FFP
platelet transfusions
What factors synthesized by vit K?
II, VII, IX
What clotting factor has shortest half life?
VII
What drug is not succsesful in pt w/ ATIIII?
heparin
What are actions for DVT ppx?
LMWH
low dose unfractionated heparin
pneumatic compression boots
What is mech of action of clopidogrel?
blocks binding of ADP to specific platelet ADP receptor P2Y12
WHen is clopidogreal indicated?
for ACS –> unstable angina, MI, NSTEMI
pretrement for PCI
receive for 1 yr after PCI
What are risk factors for breast cancer?
age
fam hx
anything that increases number of menstrual cycles –> early menarche, late menopause, nulliparity
What is tx of lobular carcinoma in situ?
removal of lesion does not reduce risk of progression to invasive CA
can tx w/ SERM, prophylactic B/L mastectomy
What should you do for small vs large breast CA lesions?
for small do systemic chemo
What is MCC death in MM?
recurrent infections
What is mech of bony lesions in M?
osteolytic lesions are secondary to release of osteoclast-activating factor by neoplastic plasma cells
What are sequela of waldenstrom macroglobulinemia?
IgM
–> hyperviscosity
no bony lesions
have fatigue, wt loss, neuro sx, lymphadenopathy, splenomegaly, anemia, abnormal bleeding, hypervsiscosity —> can lead to retinal vessel dilation and hemorrhage –> blindness
What locations associated w/ adult T cell lymphoma?
japan and caribbean
What is rituximab? use?
monoclonal CD20 antibody
use to treat NHL
What are key features of SLL?
closesly realted to CLL
indolent course
What are key features of follicular lymphoma?
painless peripheral lymphadenopathy
MC form of NHL
What are key features of diffuse large cell lymphoma?
locally invasive
large extranodal mass
What are key features of burkitt?
AA –> facial bone and jaw, associated w/ EBV
american –> ab organs
t8;14 translocation
When should you bx lymph node?
any node > 1cm present for more than 4 wks not attributed to infection
What is CHOP therapy for NHL?
- cyclophosphamide
- hydroxydaunomycin (doxorubicin)
- oncovin (vincristine)
- prednisone
What translocation in Acute promyelocytic leukemia?
t15;17
foten have pancytopnea
tx w/ all trans retinoic acid
What age ranges for ALL, AML, CLL, CML?
ALL 65
AML/CML 40-60yo
What type of leukemia can present w/ AIHA?
CML
How do you differentiate from leukemoid reaction and CML?
leukemoid:
- no splenomegaly
- increased leukocyte alk phosphatase
- hx of infection
CML = opposite
What translocation in CML?
t(9;22) –> philadelphia
BCR-ABL -> activates tyrosine kinase protein
What type of leukemia do you tx w/ imatinib?
CML = tyrosine kinase inhibitor
What is presentation of polycythemia vera?
pruritis and hot batch or shower
What is presentation of polycythemia vera?
hyperviscosity
thrombotic phenomena
bleeding
splenomegaly, hepatomegaly, htn
What levels of EPO, B12, uric acid in PV?
high B12 and uric acid
low EPO
What is presentation of carotid TIA?
loss of speech, paralysis/parasthesias
amaurosis fugax
What is subclavian steal syndrome?
stenosis of subclavian artery proximal to origin of vertebral artery to fill subclavian artery distal to stenosis b/c cannot supply adeqaute blood to L arm
What is location of dysarthria and clumsy hand stroke?
pons
When do you give hypertensives in acute stroke?
BP > 220/120 or acute MI, aortic dissection, severe HF
When do you do carotid endarterectomy?
in symptomatic pt w/ stenosis > 70%
What are pupil findings in CH 2/2 pons? thalamus? putamen?
pons = pinpoint thalamus = poorly reactive pupils putamen = dilated pupils
What is shy drager?
parkinson + autonomic insufficiency
What is progressive supranuclear palsy?
degernative brainstem, basal ganglia, cerbellum
have bradykinesia, limb rigidiy, cog decline
but no tremor
also have opthalmoplegia
What is mech of pramipexole?
dopamine agonist
What are characteristics of essential tremor?
w/ certain postures or tasks
fine
head tremor, vocal tremulousness
improved by alcohol
What is tx for tourettes?
clonidine, pimozide, haloperidol
What is tx for guillan barre?
IVIG, avoid steroids
What is etiology of MG?
postsynaptic receptor antibodies to Ach
What is mcardles?
AR, muscle cramping after exercise 2/2 glycogen phosphorylase deficiency
What is presentation of NF1 (von recklinghausen dz)?
AD cafe au lait neurofibromas CNS tumors axillary freckling iris hamartomas (lisch nodules) bony lesions cutaneous neurofibromas
What is presentation of NF2?
AD b/l acoustic neuromas multiple meningiomas cafe au lait spots neurofibromas cataracts
What is tuberous sclerosis?
AD
cognitive impairment, epilepsy, skin leasions (facial angiofibromas, adenoma sebaceum)
retinal hamartomas, renal angiomyolipomas, rhabdomyomas of heart
What is presentation of polio?
LMN involvement, asymmetric muscle weakness, absent DTR, flaccid, atrophic muscles, normal sensation
How do you distinguish between central and peripheral vertigo?
central: gradual, mild, N/V, neuro findings, mild nystagmus, mild effect w/ position change, multidirectional nystagmus
peripheral: sudden onset, severe intensity, intense N/V, no associated neuro findings, intense nystagmus, intense effect w/ position, unilat/vertical nystagmus
What is tx for uncomplicated cap in pt w/o significant comorbidities? if older or w/ comorbidities?
azithromycin or clarithromycin or doxy
if older/comorbidities –> fluoroquinolone
WHat is tx for ventilator associated pna?
cefepime or pip/tazo or carbapenem AND aminoglycoside or FQ AND vanc or linezolide
What is empiric tx for meningitis in HIV?
ceftazidiem + amp + vanc
What is in pt hospital treatment for pyelo?
cipro or amp + gent
At what CD4 count is pt at risk for CMV or MAC?
50
What is presentation, tx for CMV?
present = disseminated GI or pulm sx, retinitis, colitis, esophagitis
tx = ganciclovir, foscarnet
What is presentation of chancroid?
haemophilus ducreyi
painful genital ulcer(s) w/ ragged borders, purulent base
unilateral tender inguinal lymphadenopathy that appear 1-2 weeks after ulcer
tx = azithromycin or ceftriazone
WHat is presentation of lymphogranuloma venereum?
chlamydia trachomatis
painless ulcer, a few weeks later have tender inguinal lymphadenopathy (unilateral)
and constitutional symptoms
What is presentation of rocky mountain spotted fever?
rickettsia rickettsii
papular rash starts peripherally and spreads centrally
What is tx for rocky mountain spotted fever?
doxy
What is tx for malaria ppx?
mefloquine if chloroquinolone resistant area
What is licehn planus?
pruritic, polygonal, purple, flat topped papules
on wrists, shins, oral mucosa, genitalia
tx: steroids
What is bullous pemphigoid vs pemphigus vulgaris?
bullous pemphigoid: elderly, easily rupture, autoimmune
pemphigus vulgarus: loss of normal adhesion between cells, can involved oral mucosa, IgG against desmoglein, assocaited w/ lymphoma, CLL
What is marjolins ulcer?
scc from chronic wound such as previous burn scar
What is spitz nevi?
well circumscribed raised lesion often confused w/ melanoma
tx = complete resection
What do you need to check yearly in pt on hydroxychloroquine?
annual eye exam
What are sx of drug induced lupus?
SLE but not renal or CNS involvement
usually 2/2 hydralazine, procainamide, INH, chlorpromazine, methyldopa, quinidine
What type of ab in diffuse vs limited scleroderma?
diffuse = antitopoisomerase (antiscleroderma 70) limited = anticentromere
What are poor prognostic indicators in RA?
high RF titer
subcutaneous nodules
erosive arthritis
autoantibodies to RF
What thigns can precipiate acute gouty attack?
decrase temp dehydration stress excess alcohol starvation
What are complications of gout?
nephrolithiasis
degenerative arthritis
What meds should you avoid in acute gout?
asa and acetaminophen also allopurinol (mayybe)
When should you suspect takayasu arteritis?
decreased absent peripheral pulses
discrepancies of bp arm vs leg
arterial bruits
young woman