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Clinical Problem Solving Final
N/a
45
Medical
Graduate
12/05/2011

Additional Medical Flashcards

 


 

Cards

Term
5 high risk groups for getting acute diarrhea
Definition

travelers

consumers of certain foods

immunodeficiency

daycare attendees and family members

institutionalized people

Term
Acute diarrhea:

__% of travelers to latin america, africa, and asia will get travelers diarrhea

Foods that cause diarrhea:
1. ___ - caused by chickens, mayo, cream, eggs, seafood
2. ___ - chicken
3. ___ - chicken
4. ___ - undercooked hamburger
5. ___ - friend rice, or other reheated food
6. ___ - mayo or creams
7. ___ - uncooked foods or soft cheeses

common opportunistic infections (5)

daycare attendees are prone to (4)
Definition

40%

 

1. salmonella

2. campylobacter

3. shigella

4. enterohemorrhagic e. coli

5. bacillus cereus

6. staph aureus

7. listeria

 

 

 

myocbacterium, CMV, adenovirus, herpes simplex, crypto

 

daycare attendees: shigella, giardia, crypto, rotavirus

Term
Systemic manifestations of acute diarrhea:

1. Reiter's syndrome (arthritis, uveitis, and conjunctivitis) (4 species)
2. autoimmune thyroiditis, pericarditis, and glomerulnephritis (1)
3. HUS (2)
4. Post-infectious IBS - all species
Definition

1. Reiters - salmonella, campylobacter, shigella, yersinia

2. yersinia

3. shigella and hemorrhagic e. coli

 

Term
what 4 severe systemic infections can be manifested by acute diarrhea?
Definition

viral hepatitis

listeriosis

legionellosis

toxic shock syndrome

Term
most common cause of non-infectious acute diarrhea?
Definition
meds
Term
DDx for new daily persistent HA
Definition

Primary: migranous

tension type

 

Secondary: SAH, lower CSF volume, Raised CSF pressure, posttraumatic HA, chronic meningitis

Term
Classification of chronic daily headache

1. >4 h daily (4)
2. <4 h daily (4)
3. secondary - lots

prevention for these HAs?
Definition

1. >4h - chronic migraine, chronic tension-type, hemicrania continua, new daily persistent HA

2. chronic cluster, chronic paroxysmal hemicrania, SUNCT/SUNA, hypnic HA

3. Secondary - posttraumatic (head injury, iatrogenic, post-infection), inflammatory (giant cell arteritis, sarcoid. Behcet's), chronic CNS infection, med overuse

 

 

Prevention: tricyclics - amitriptline or doxepin 1 mg/kg given 12 hours before waking

 

 

Term
Sx that suggest a HA has a serious underlying cause
Definition

worst HA ever

first severe HA

subacute worsening over days to weeks

abnormal neuro exam

fever/systemic sx

vomiting preceding HA

pain induced by bending, lifting, coughing

pain that disrupts sleep or is present immediately upon wakening

known systemic illness

>55 y/o

pain associated with local tenderness

Term
Organisms that cause bloody diarrhea

Organisms that cause non-blody diarrhea
Definition

C diff (sometimes) - 1-3 days

Hemorrhagic e. coli - 12-72 h

Salmonella, campylobacter, aeromonas, vibrio parahemolyticus, yersinia - 12h-11d

shigella, enteroinvasive e.coli, entameba histolytica - 12h-8d

 

Non-bloody: bacillus cereus, staph aureus 1-8h

clostridium perfringens - 8-24h

vibrio cholerae, enterotoxic e. cli, klebsiella, aeromonas - 8-72 h

enteropathogenic and enteroadherent e.coli, giardia, crypto, helminths - 1-8 d

c. diff (sometimes) - 1-3 d

rotavirus, norwalk virus - 1-3 d

Term
indications for evaluation for tx for diarrhea
Definition

profuse diarrhea w/ dehydration

grossly bloody stools

fever >38.5C

>48h duration w/o improvement

recent abx

new community outbreak

severe abd pain in pt >50

>70 y/o

immunocompromised

Term
5 organisms to consider for persistent diarrhea
Definition

giardia

c. diff

entameba histolytica

crypto

campylobacter

Term
Diarrhea tx:

for dysentery
for gardia
Definition

dysentery: cipro

giardia: metronidazole

 

immunocompromised, mechanical heart valves, recent vascular grafts, and elderly all need abx no matter what causative organism is

Term
Tx algorithm for infectious diarrhea
Definition

 mild (unrestricted) -- fluids

Moderate (activities altered) w/o fever, blood, WBC, immunocompromised, or elderly -- fluids + antidiarrheals

Moderate WITH fever, blood, WBC, immunocompromised, or elderly -- fluids, stool microbiology, abx

Severe (incapacitated) - stool microbiology, abx, fluids

Term
ACute sinusitis in child (<4 weeks)
1. mst common sinus involved?
2. non-infectious causes (4)
3. most common cause?
4. 3 bacterial causes. what sx distinguish bacterial?
5. life threatening complications?
6. ___ is the imaging study of choice
7. tx?
Definition

1. maxillary

2. barotrauma, allergic rhinitis, chemical irritants, nasotracheal intubation

3. viral (most common),

4. bacteria - h. flu, s. pneumoniae, moraxella catarhrhalis

- upper molar pain, halitosis, sx >7 days suggest bacterial

5. meningitis, epidural abscess, cerebral abscess

6.CT

7. tx: usually none - oral or topical decongestants, nasal lavage, nasal glucocorticoids, abx (amoxicillin) if >7 days for adults or >14 days for kids

Term
Chronic sinusititis:
1. >__ weeks
2. almost alawys requires what tx?
Definition

1. >12 weeks

2. endoscopic surgery. also 3-4 weeks abx, topical glucocorticoids, irrigation

Term
Acute Otitis Media:
1. usually follows URI. Most common organisms?
2. tx?
Definition

1. RSV, flu, rhinovirus, enterovirus. S. pneumoniae, H. flu, M. catarrhalis

2. Tx: usually clear in 1 week w/o abx. Infants <6 ms need amoxicillin

Term
Pharyngitis:

1. what organism is most concerning?
2. what organism is most common?
3. what is most common amount 5-15 y/o but uncommon <3 y/o?
4. Work up should include what tests?
5. tx?
Definition

1. GABHS (s. pyogenes)

2. viral - rhinovirus/coronavirus

3. GABHS - usually exudative

4. workup: Monospot and rapid strep test

5. Tx: abx (penicillin/amoxicillin) only for bacteria confirmed by testing. amantadine, rimantadine, zamaivir or aseltamivir for viral

 

Term
fever + tonsillar swelling + exudeate + enlarged tender angterior cervical nodes + absence of cough or coryza?
Definition
strep pyogenes (GABHS) - tx with penicilin V or amoxicillin
Term
Laryngitis:

1. most common cause?
2. sx?
3. tx:
Definition

1. URI caused by firus - rhinovirus, flu, parainfluenza, coxsackie, adenovirus, coronavirus, RSV

2. sx: hoarseness, reduced vocal pitch, aphonia, rhinorrhea, nasal congestion, cough, sore throat

 

3. Tx: Humidification and voice rest. No abx unless it's trep

Term
Epiglottitis:
1. Most common cause?
2. most common cause in vaccinated people?
3. sx?
4. oropharyngeal exam shows what?
5. tx - what is the first concern?
Definition

1. h. flu type B - can be immunized against

2. group A strep

3. sx: sitting forward and drooling, high fever, sore throat, tachy, inspiratory stridor, chest wall retractions

4. oropharyngeal exam: injection much less severe than expected, suggesting that obstruction is lower

5. tx: secure airway, epiglottic specimen, blood cultures, abx (Ampicillin + beta lactamase inhibitor for 7-10 days. family members need rifampin + vaccine

 

Term
Abdominal pain:
1. if intra-adominal hemorrhage - do what?
2. what 2 exams are mandatory in every pt with abd pain?
Definition

1. go straight to OR

2. pelvic and rectal

3.

Term
Abdominal pain by quadrant:

RUQ
epigastric
LUQ
RLQ
periumbilical
LLQ
Diffuse
Definition

RUQ: cholecysitis, cholangitis, pancreatitis, pneumonia, pleuriy, subdiaphragmatic abscess, hepatitis, Budd-Chiari syndrome

 

Epigastric: PUD, gastritis, GERD, pancreatitis, MI, pericarditis, ruptured AAA, esophagitis

 

LUQ: splenic infarct, splenic rupture, splenic abscess, gastritis, gastric ulcer, pancreatitis, subdiaphragmatic abscess

 

RLQ: appendicitis, salpingitis, inguinal hernia, ectopic pregnancy, nephrolithiasis, IBD, mesentery lymphadenitis, typhlitis

 

Periumbilical: early appendicitis, gastroenteritis, bowel obstruction, ruptured AAA

 

LLQ: diverticulitis, salpingitis, inguinal hernia, ectopic pregnancy, nephrolithiasis, IBS, IBD

 

Diffuse: Gastroenteritis, DM, malaria, mesenteric ischemia, bowel obstruction, IBS, peritonitis, Familial meiterranean fever, metabolic disease, psych disease

 

Term
Suspected meningitis:

1. Start ___ if you think a pt has it
2. If pt has had recent head trauma, immunocompromised, known malignant lesions, focal neuro findings, do ___ before LP
3. if pt has LOC, seizures, or focal neuro deficits, they need to be evaluated for __ or ___
4. most common organisms: ____ if >20 y/o, ____ in 2-20 y/o, 2 other common organisms?
5. sx?
6. dx?
Definition

1. abx

2. Ct or MRI

3. bacterial meningitis or viral meningoencephalitis - these signs are not in viral meninigitis

4. S. pneumonia >20 y/o, N. meningitidis 2-20 y/o, GABHS and listeria monocytogenes

5. sx: classic triad: fever, HA, nuchal rigidity

n/v, photophobia, coma, lethargy, meningococcemia rash (petechiae)

6. dx: blood cultures, LP, biopsy rash

Term
What disease?

diffuse maculopapular rash that becomes petechial and appears on trunk, LE, mucus membranes, conjunctiva, and palms and soles
Definition
meningicoccal rash
Term
abx for bacterial meningitis

1. Infants < 1mo-3 mos
2. immunocompentent 3mos-55 y/o
3. >55 y/o, alcoholic, or diseased
4. severe cases
Definition

1. infants <1 mo: ampicillin + cefotaxime

2. Immunocompetent >3 mos-55 y/o: cefotaxime + vanc

3. adults >55 y/o or any age with alcoholism or debilitating disease: amp + cefotaxime

4. severe cases: amp + vac + cefazidime

Term
CSF abnormalities in bacterial meningitis
Definition

1. Opening pressure >180 mmHg

2. WBC 10-10K

3. RBC absent

4. Glucose <2.2 mmol/L

5. CSF/serum glucose <0.4

6. protein >0.45

7. gram +

8. + latex agglutination in s. pneumonia, n.meningitidis, h. flu, e. coli, GABHS

9. Limulus lysate + in gram neg

Term
What drug causes each rxn?
1. general seizures, neuro complictions, HA, stroke, SAH
2. impaired thinking, concentration, perceptual and psychomotor fxn. conjunctival injection, tachy, angina, significant decrease in pulm capatcity, decreased testosterone and sperm count and mobility, impaired fetal growth. withdrawal sx
3. HA, difficulty concentrating, diminished appetite, abd pain, v/d, disordered sleep, paranoia, agression, psychosis, rotten teeth, htn, arrhtythmia, SAH, stroke, convulsions, coma
4. tachy, HTN, pupil dilation, tremor, hyperpyrexia, perceptual and mood changes, synesthesias, 12-18 hr effects. Most common medical emergency is a "bad trip", increased risk of psychosis, decreased memory, problem solving, abstract thinking
5. agitation, excitement, impaired motor coordination, dysarthria, analgesia, nystagmus, flushing, diaphoresis, hyperacusis, distorted body image, disorganized thinking, feelings f estrangement, salivation, vomiting, myoclonus, fever, stupor, compa, resp distress
Definition

 

1. cocaine

2. marijuana

3. meth

4.  LSD

5. PCP

Term
FUO:

1. 2 common infections
2. tx?
Definition

1. candida and aspergillus

2. vanc + ceftazidime or aminoglycoside

avoid NSAIDS & glucocorticoids bc they can mask sx

Term
calculation of Aboslute Neutrophil Count (ANC)

when < 1000?
when <500?
when <200?
Definition

ANC = WBC x (% neutrophils + % bands)

<1000 - increased susceptibility to infection

<500 - conrol of endogenous microflora is impaired

<200 - inflammatory process is absent

Term
Ascites:
1. 4 most common causes
2. SAAG
3. tx?
4. tx for refractory ascites?
Definition

cirrhosis, CHS, nephrosis, disseminated carcinomatosis

2. SAAG - serum albumin ascites gradient - >1.1 g/dl = uncomplicated cirrhotic ascites. <1.1 suggest it's not due to portal htn

 

3. tx: paracentesis w/ ablumin

+ spironolactone and furosemide and low sodium diet

4. refractory - TIPS, another paracentesis, liver transplant

Term
What disease state based on characteristics of ascites fluid?
1. straw or bile-colored. low protein. >1.1 SAAG, 1% RBC, low WBC
2. straw, hemorrhagic, mucinous, or chylous. protein >25. <1.1 SAAG, 20% RBC, >1000 WBC
3. clear, turbic, hmorrhagic, or chylous. >25 protein. <1.1 SAAG. 7% RBC, >1000 WBC
4. straw-colored, 15-33 protein. >1.1, 10%, <1000 WBC
5. straw colored or chylous. <25 protein, <1.1 SAAG. RBC rare. <250 WBC
6. turbid, hemorrhagic, chylous. >25 protein. <1.1 SAAG. variable WBC and RBC
Definition

1. cirrhosis

2. neoplasm

3. TB

4.CHF

5. nephrosis

6. pancreatic

Term
What do you do if you suspect acute liver disease (<6 mos) and ALT is very high and Alk phos is high?
Definition

Tests: IgM, anti-HAV, HbsAg, IgM anti-HBc, Anti-HCV, ANA, SMA, monospot, cerulopasmin, alcohol and drug hx,

 

liver bx if dx still unclear

Term
What do you do for acute <6 mos liver disease iwth very high alk phos and GGT and high ALT?
Definition

AMA

Drug and alochol Hx

US/MRI

MRCP/ERCP

 

liver bx if still unclear

Term
Chronic >6 mos liver disease

ALT very high, alk phos high
Definition

HBsAg, antiHCV, Fe sat, ferritin, ceruloplasmin, AT, ANA, SMA, US, Alcohol hx

 

bx if still unclear

Term
chronic >6 mos liver disease

Alk phos and GGT very high
ALT high
Definition

drug and alc hx

AMA

P-ANCA

US

MRCP/ERCP

 

bx if stil unclear

Term
2 main causes of hypercalcemia
Definition

hyperparathyroidism (fluctuations in PTH and no chance in Ca)

cancer (high Ca, low PTH)

 

 

other causes: Familial hypercalciuric hypercalcemia, Vit D, HCTZ

 

tx; Hydration, diuresis, Ca restriciton

Term
Causes of hypocalcemia
Definition

Vit D deficiency - most common

 

pancreatitis, Mg deficiency (alcoholism), hypoalbuminemia, hypoparathyroid

Term
causes of hypomagnesemia & hypermagnesemia
Definition

Hypo - HYPERaldosteronism

Hyper - HYPOaldosteronism

 

Term
causes of hypo and hyperphosphatemia
Definition

increased: excessive intake, renal failure , vit D intox, hypoparathyroid

 

hypophosphatemia: resp alkalosis due to hyperventilation, DKA, hyperparathyroidism

Term
Acute Renal failure causes:

1. prerenal (4)
2. Intrinsic
3. postrenal (2)
Definition

1. Prerenal - hypovolemia, decreased CO, decreased effective circulating volume (CHF, liver failure), emapired renal autoregulation (NSAIDs, ACE-I, ARBs, Cyclosporine)

2. Intrinsic - glomeruloneprhitis, tubular (ischemia, sepsis, neprhotoxic, vascular)

3. Postrenal - bladder outlet obstruction, bilateral pelvoureteral obstruction

 

Term
What kind of renal failure?

1. WBC or hyaline casts?
2. RBC casts or RBC
3. WBC casts or WBC
4. Renal tubular epithelial ells or casts or pigmented casts
5. granular casts
6. eosinophiluria
7. crystalluria
Definition

1. prerenal, ambolism, thormbosis, HUS, TTP, scleroderma

2. GN, vasculitis, malignant HTn,

3. GN, interstitial nephritis, pyelonephritis, allograft regection, malignant infiltration

4. ATN, tubulointerstitial neprhitis, acute cellular allograft rejection, myoglobinuria, hemoglobinuria

 

5. ATN, GN, vasculitis, interstitial nephritis

6. AIN, atheroembolic disease

7. acute uric acid nephropathy, calcium oxalate, drugs or toxins

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