The-Febrile-Patient-Dr.-Serrao-9.5.13.pptx

Richard Serrao MD
Assistant Professor of Medicine, BUSM
Sections of Internal Medicine and Infectious Diseases

 Fevers: Relatively straightforward approach
 Definitions
 Fever vs hyperthermia vs hyperpyrexia
 Mechanisms
 Initial approach
 Fevers of unknown origin: More complex, more
fun to chase
 Definition
 Spectrum
 Fun Cases and categories

 Elevation in body temperature above normal
range from increase in temperature
regulatory set point : 99.5–100.9 °F
 Mouth >99.9
 Axilla/otic >99.0
 Anus >99.5-100.9
 Hyperpyrexia: typically not infectious
 104–106.7 °F
Set points vary depending on clinical setting

 Fever: resetting of the thermostatic set-point in the
anterior hypothalamus and the resultant initiation of
heat-conserving mechanisms until the internal
temperature reaches the new level
 If acute (and less commonly chronic), infection unless
proven otherwise
 Hyperthermia: an elevation in body temperature that
occurs in the absence of resetting of the hypothalamic
thermoregulatory center
 Usually not mediated by infectious diseases
The difference between these two is mechanism

 Pyrogens (endogenous and exogenous) trigger
fevers via release of prostaglandin E2 
hypothalamic stimulation  vasoconstriction,
then shivering  temp rise
 Endogenous: IL1, 6,8,TNF, IFNa,b,g 
arachidonic acid pathway activated
 Can be released in collagen vascular, malignancy
 Exogenous: i.e. LPS  binds to
lipopolysaccharide binding protein  release of
IL-1
 Typically infectious

 Lipopolysaccharide (LPS) endotoxin of GNRs
 binds to LPS-binding protein and is transferred to CD14 on
macrophages, which stimulates the release ofTNFα.
 Staphylococcus aureus enterotoxins
 Staphylococcus aureus toxic shock syndrome
toxin (TSST)
 Both Staphylococcus toxins are superantigens and activateT
cells leading to the release of interleukin (IL)-1, IL-2,TNFα and
TNFβ, and interferon (IFN)-gamma in large amounts
 Group A and B streptococcal toxins
 Exotoxins induce human mononuclear cells to synthesize not
onlyTNFα but also IL1 and IL-6

Excessive heat production:
exertional hyperthermia, thyrotoxicosis,
pheochromocytoma, cocaine, delerium
tremens, malignant hyperthermia
Disorders of heat dissipation:
heat stroke, autonomic dysfunction
Disorders of hypothalamic function:
neuroleptic malignant syndrome, CVA, trauma
All non infectious!

 Chase the symptom
 Headache, meningismus, pharyngitis, dysuria,
diarrhea, abdominal pain, etc.
▪ Makes it obvious!
 Start with the basics: ua/urine culture, CXR,
blood cultures
 Follow the pattern
 Look at everything for patients in whom the
pattern is inconsistent
 Most fevers diagnosed early (i.e. not an FUO yet)
will have an infectious cause…

 History
 PE
 CBC with diff
 Blood cultures (3 sets drawn from different
sites over at least several hours OFF abx)
 Chem 7 and LFTs
 Hepatitis serologies if LFTs abnormal
 UA, urine culture
 CXR
Most patients will have the answer here

“A patient with a fever that has not had a basic
work up yet does not an FUO make”

“Fever > 38.3 (101) on several occasions,
persisting without diagnosis for at least 3
weeks in spite of at least 1 week’s
investigation in hospital.”

Featurea Nosocomial Neutropenic HIV-associated Classic
Patient’s
situation
Hospitalized,
acute care, no
infection when
admitted
Neutrophil count
either <500/µL or
expected to
reach that level in
1-2 days
Confirmed HIV-
positive
All others with
fevers for ≥3
weeks
Duration of
illness while
investigated
3 daysb 3 daysb 3 daysb (or 4
weeks as
outpatient)
3 daysb or 3+
outpatient
visits
Examples Septic
thrombophlebitis,
sinusitis, C.
difficile colitis,
drug fever
Perianal infection,
aspergillosis,
candidemia
MAIc infection,
TB, non-
Hodgkin’s
lymphoma, drug
fever
Infections,
malignancy,
inflammatory
diseases, drug
fever
aAll require temperatures of ≥38.3°C (101°F) on several occasions.
bIncludes at least 2 days’ incubation of microbiology cultures.
cM. avium/M. intracellulare.
Modified from DT Durack, AC Street, in JS Remington, MN Swartz (eds):
Current Clinical Topics in Infectious Diseases. Cambridge, MA, Blackwell,
1991.

 Over decades, the etiology has been shifting
 3 classic categories are consistent:
 Infections
 Malignancies
 Connective tissue diseases
 True FUOs are uncommon
 Excessive use of empiric antibiotics can mask/delay diagnosis of
occult abscesses/infections; drug fevers increasing
 MDR organisms, lengthy ICU and chemo regimens changing the
flora

 Undiagnosed FUOs has gone from 75% to <10%, but the
fraction of FUOs that are undiagnosed has increased
 More connective tissue diseases are being diagnosed
 ExtrapulmTB, solid tumors and intrabdominal abscesses
are less prevalent due to CT scanning
 CT guided IR has replaced ex-laps for diagnosis
 Better blood culturing techniques has reduced IE as an
etiology for FUO
 Culture negative or fastidious organisms (bartonella) remain as
FUOs
The longer a patient has a fever, the less likely an ID cause will be found

 72 y.o, male with cirrhosis, diabetes and is
on chronic steroids for RA who is s/p partial
colectomy for recurrent diverticular
disease

 usually located in the abdomen or pelvis
 cirrhosis, steroid or immunosuppressive medications,
recent surgery, and diabetes are predisposing factors
 arise in locations of disrupted barrier in bowel wall (appy,
tics, IBD).
 develop in subphrenic, omental, pouch of Douglas, pelvic,
and retroperitoneal locations.
 Pyogenic liver abscesses in setting of biliary tract disease,
appendicitis or diverticulitis.
 Amebic liver abscesses can look like pyogenic abscesses;
check e histolytica serologies.
 Splenic abscesses occur from hematogenous seeding:
look for concominant endocarditis
 Perinephric abscesses can have normal UA/urine culture

 Intraabdominal abscess (liver, splenic, psoas, etc)
 Appendicitis
 Cholecystitis
 tubo-ovarian abscess
 Intracranial abscess
 Sinusitis
 dental abscess
 Chronic pharyngitis
 Tracheobronchitis
 lung abscess
 Septic jugular phlebitis
 mycotic aneurysm
 Endocarditis
 intravenous catheter infection
 vascular graft infection
 Wound infection
 Osteomyelitis
 infected joint prosthesis
 Pyelonephritis
 prostatitis
Things that are hidden,
may give false negative
blood cultures, or have an
unrevealing (missed on)
exam
We’re getting better at finding these things!

We’re getting better at finding infections and cancers
thereby reducing the total FUOs seen, but leaving
many undiagnosed cases

 2800 hospital beds over 2 year period (2003-
2005); only 73 cases of FUOs found
 Noninfectious inflammatory diseases (vasculitis,
SLE, PMR) — 22%
 Infection — 16%
 Malignancy — 7%
 Miscellaneous — %
Bleeker-Rovers et al. Medicine (Baltimore). 2007 Jan;86(1):26-38.
No diagnosis — 51%

 45 y.o G5, P5 woman from subsaharan Africa with HIV
who presents with daily fevers as high as 103.
 She has no cough, SOB, headache. She is on no meds.
 Her LFTs are mildly elevated with mild hepatomegaly
and ascites. HAV/HBV/HCV negative.
 CXR is negative.
 CBC demonstrates microcytic anemia with teardrop
cells.
 She is not on HAART and has a CD4 of 376,VL 28,000

 Ascites fluid is lymphocytic predominant.
Blood cultures, ascitic fluid: no growth.
 BM aspirate:
oraclesyndicate.twoday.net

 single most common infection in most FUO series.
 Can be extrapulmonary, miliary, or occur in the lungs
of patients with significant preexisting pulmonary
disease, or immunodeficiency
 pulmonary tuberculosis in AIDS patients is subtle; CXR
normal in up to 20%
 Readily treatable
 PPD positive in <50%
 Sputum + in only 25%
 May require lymph node, BM or liver biopsy
 Isolator blood cultures need incubation for >16 days

 Developing world
 TB
 Typhoid
 Amebic liver abscesses
 AIDS
 Returning traveler
 Malaria
 Brucellosis
 Kala azar
 Filariasis
 Schistosomiasis
 Lassa fever

 Ease of travel can increase risk for non endemic
(autochthonous) infections to be present in the recent
traveler given long incubation period
 malaria, brucellosis, kala azar, filariasis, schistosomiasis,
Lassa fever
 the most common infections among series of FUOs
have not changed over the century:
 typhoid fever,TB, amebic abscesses, malaria.
 FUOs are more often caused by an atypical
presentation of a common entity than by a rare
disorder

 56 y.o. male HIV+, CD4 332,VL ND on HAART
presents in Nov with fever 104.0 q day,
shaking chills, myalgias and malaise. Mild
diffuse HA. Evanescent rash noted on left
shoulder
 Recent hiking in NH
 PE: flushed, ill but not toxic. No focality
 Pancytopenia (new),AST 150, ALT 161,TB 0.4

 Always look at peripheral smear in
presumptive BM disorders
 Intraleukocytic/intraerythrocytic inclusions
 <60% recall tick exposure
 Search for coexistent lyme and babesiosis

 Tuberculosis, Mycobacterium avium complex,
syphilis, Q fever, legionellosis
 Salmonellosis (including typhoid fever),
listeriosis, ehrlichiosis,
 Actinomycosis, nocardiosis, Whipple’s disease
 Fungal (candidaemia, cryptococcosis,
sporotrichosis, aspergillosis, mucormycosis,
Malassezia furfur)
 Malaria, babesiosis, toxoplasmosis,
schistosomiasis, fascioliasis, toxocariasis,
amoebiasis, infected hydatid cyst, trichinosis,
trypanosomiasis
 Cytomegalovirus, HIV, Herpes simplex, Epstein-
Barr virus, parvovirus B19

 HIV/AIDS:
 79% infections
▪ 50% mycobacterial (2/3 atypical mostly MAC)
 8% malignancies: NHL; disseminated KS rare
 9% no diagnosis
 Neutropenia
 Most due to bacteremia
 Fungi as source of FUO increases after 7 days (fungemia, then aspergillus)
 Confounders include: cancer, drugs, blood products
 Fever when neutropenia resolves: hepatosplenic candidiasis
 Age:
 Children: 30% self limited viral syndrome
 Age >65: 30% caused by PMR, vasculitis, GCA, sarcoid; 22% infections; 12%
cancers

 55 y.o. HCV/HIV+, CD4 5,VL
115,000 noncompliant with
HAART. CC: confusion,
fever, anisocoria
 Head CT: mass lesion with
hemorrhage; CT body: no
lymph node enlargement
 CSF: normal
 Pyrimethamine/sulfadiazine
started empirically for toxo

 Within 2 days, >20 SC erythematous tender
nodules on shins and buttocks

 Rheumatic fever
 Sarcoidosis
 Drug induced
 Post-streptococcal
 Mycoplasma
 Coccidioidomycosis
 Other fungal
 TB/nontuberculous mycobacteria
 SLE
 Vasculitis
 syphilis

 Blood and skin grew Mycobacterium avium
intracellulare
 Patient recovered withClarithromycin,
rifampin and ethambutol
Tandon R, Kim K, Serrao R. Disseminated mycobacterium avium-intracellulare
infection in a person with AIDS with cutaneous and CNS lesions. The AIDS
Reader. 2007; 17(11): 555-560

 36 y.o. male with ? PMH of PCP PNA 1yr PTA and
several suicide attempts with benzos/percocets
 BIB family members who noted patient to be
lethargic, c/o chills and RUQ pain
 Exam notable forT102.6, HR 110, 100/55, O2 sat
90% RA, lethargic, conjunctival injection, thrush,
? Nuchal rigidity, dry crackles, mod RUQ
tenderness, hepatomegaly, +/- guarding
 Admitted to ICU with dx of acute hepatic failure
secondary to probable tylenol overdose (sister
saw empty bottles in room)
 Grew up in Chicago

 WBC: 12 (90P), 11/33, Plts 90
 134/3.3/102/9/34/2.3 AG 23
 LFTs: AST 2344, ALT 2688,Alk Phos 113
 PT 15, PTT 42
 DIC screen +
 Acetominophen level, pancultures pending
 CXR: diffuse interstitial infiltrates

 Patient started on ceftriaxone 2g iv q 12,
vanco 1 g q 12, ampicillin 2 q 8 and high dose
Bactrim.
 N-acetylcysteine administered empirically
 STAT RUQ ultrasound read as hepatomegaly
withTNTC punctate lesions throughout
parenchyma of liver; no bil dil; no stones

 Consider in immunocompromised host
(AIDS, solid organ transplant) with
transaminase elevations, unexplained fever,
reticulonodular pulmonary infiltrates from
endemic area

 35 y.o. recuperating counts after prolonged
neutropenia for AML who has been on
cefepime and vanco and defervesced early.
 C/o RUQ tenderness, LFT abnormalities,
febrile
 CT abdomen reveals multiple punctate small
echogenic lesions

CT Scan shows multiple hypodense lesions in the
liver and spleen .
Curr Probl Diagn Radiol, November/December 2004

 Complication of prolonged neutropenia that
required systemic antimicrobials when fever
abates
 Due to duration of systemic antimicrobials
(as compared to aspergillus which is due to
duration of neutropenia)
 Treat with fluconazole/echinocandins if
suspect glabrata

 71 y.o. male c/o fevers, night sweats, weight
loss for 3 months. Generalized muscle aches
and difficulty getting up from chair
 PMH: sulfa allergy, noted to be anemic 1 yr
ago, negative blood loss w/u
 PPD neg
 Labs anemic & leukopenic with monocytosis.
ANA, DS DNA, and LFTS nl
 ESR 102, elevated serum ferritin

Temporal artery biopsy in giant cell (temporal) arteritis. Left panel:
Granulomatous and lymphocytic inflammation of the adventitia and medial
wall of the temporal artery. Right panel: Elastic tissue stain showing disruption
of the elastica (arrows) due to immunologically mediated destruction of the
elastica.
Courtesy of Cynthia Magro, MD via uptodate.com

 Temporal arteritis/PMR/vasculitis/sarcoid: 30%
 Infectious: 22%
 Endocarditis
 Cryptogenic intraabdominal abscess
 ExtrapulmTB
 Malignancy: 12%
 Lymphoma
 Hepatoma
 Renal cell ca
 Unusual to cause FUO: colon ca, leukemia, MDS

 Clues on exam and labs:
 11 diagnostic clues/patient in history and physical
 3/patient in laboratory tests
 81% of these clues are misleading
 Ask about:
 Travel
 Animal exposure (pets, living on a farm, occupational)
 Immunosuppression
 Drug and toxin history
 Localizing symptoms
Bleeker-Rovers CP et al Medicine. 2007 Jan;86(1):26-38.

 Intermittent: fever for a certain period, cycling back to normal: Malaria, kala-
azar, sepsis
 Quotidian fever, with a periodicity of 24 hours, typical of Plasmodium falciparum or
Plasmodium knowlesi
 Tertian fever (48 hour periodicity), typical of Plasmodium vivax or Plasmodium ovale malaria
 Quartan fever (72 hour periodicity), typical of plasmodium malariae
 Continuous:Temperature remains above normal throughout the day and does
not fluctuate more than 1 °C in 24 hours:
 lobar pneumonia, typhoid, UTI, brucella or typhus
 Pel-Ebstein fever: high for one week, low for the next:
 Hodgkins lymphoma
 Remittent fever:Temperature remains above normal throughout the day and
fluctuates more than 1 °C in 24 hours
 Infective endocarditis

www.bioscience.org
A. Malaria
B. Typhoid fever
C. Hodgkins (Pel Ebstein)
D. Borreliosis (relapsing fever)
Hirschmann Clin Infect Dis. 1997 Mar;24(3):291-300; quiz 301-2
Specificity of these curves is still generally poor

 Hyperpyrexia >106.7
 Intracranial hemorrhage most common
 Sepsis
 Kawasaki syndrome
 Neuroleptic malignant syndrome
 Drug fever
 Serotonin syndrome
 Thyroid storm

 Typhoid fever
 Malaria
 Typhus
 Yellow fever
 Leptospirosis
 Dengue
 RMSF
 Q fever

 Malaria
 Typhoid fever
 Acute HIV
 Kala-azar
 Amebic liver abscess
 Tuberculosis
 Brucellosis
 meloidosis

http://www.dailystrength.org/groups//media/611476
27 y.o. female presents
with sore throat, fever
and diffuse
myalgias/arthralgias
-WBC 14.3, ESR 67, CPK
slightly incr. Neg CXR,
blood cxs neg
-CT abd/pelvis:
splenomegaly.
-RF, ANA,ANCA neg
-Unprotected sex 2
months ago

 HIV 1,2 Ab negative
 HIV-RNA PCR (viral load) returns at 121
copies

 Arthralgias, fevers, elevated ferritin and
salmon colored evanescent rash
 1.5 cases per 100,000-1,000,000 population
 Bimodal distribution: 15–25 and second peak
between ages of 36–46
 Diagnosis of exclusion

 Major criteria:
 fever >39C for > 1 week
 Arthralgias or arthritis for at least two weeks,
 Nonpruritic salmon colored rash (usually over trunk or
extremities while febrile),
 Leukocytosis ( 10,000/microL or greater), with granulocyte
predominance
 Minor criteria:
 Sore throat,
 Lymphadenopathy,
 Hepatomegaly or splenomegaly,
 Abnormal liver function tests,
 Negative tests for antinuclear antibody and rheumatoid factor
What infectious disease does this sound like? Mono syndrome: HIV/EBV/CMV

 SLE andANCA+ disorders rare
 Polymyalgia rheumatica
 Temporal arteritis
 Giant cell arteritis
 Adult still’s disease
 Behcets
 Kikuchi’s disease
Again, most of these in older patients

 55 y.o. female presents with 4 months of
persistent night sweats, fevers
 Visited a farm with kids and watched a goat
give birth 5 months ago

 Caused by coxiella burnetii (serologies): “parturient cats,” sheep,
goats, cattle; aerosolization/contact with body fluids/ingestion of
infected milk; ticks as reservoirs; ILI, painless hepatitis, atypical pna,
prolonged FUO; dx: serologies
 Cultures are negative in 2-5% in all cases of BE especially in partially
treated
 Culture negativity common with Coxiella Burnetii, tropheryma
whippeli, brucella, mycoplasma, chlamydia, histoplasma, legionella,
bartonella
 HACEK: haemophilus spp, actinobacillus, cardiobacterium, eikenella
and kingella: alert lab to incubate cultures for 7-21 days
 Peripheral manifestations are rare
 TEE reveals veg in 90% of SBE presenting as FUO
 Treated with tetracycline

The algorithmic approach to workup/labs/imaging

Mourad, et al.Arch Intern Med. 2003;163:545

 ESR and crp:TB,osteo, CA, CVD >100
 LDH: lymphoma, PJP
 PPD or quantiferon:TB
 HIV ab (consider viral load): HIV
 3 blood culture sets over several hours (prior to
antibiotics): bacteremia
 RF: rheumatoid arthritis
 CPK: PMR, polymyositis
 Heterophile ab (children, young adults): mono (EBV)
 SPEP: MM
 ANA: autoimmune process
 CT of abdomen and chest: r/o lymphadenopathy,
nodules

 ESR > 100
 Malignancy (lymphoma, myeloma, metastatic colon or breast): 58%
 Infections: endocarditis,TB, osteo: 25%
 Collagen vascular disease: 25%
 Less serious causes causing ESR > 100
 Drug hypersensitivity
 Thrombophlebitis
 Renal disease (nephrotic syndrome)
 Normal ESR suggests that a significant inflammatory process, of
whatever origin, is absent
 can be seen in GCA, however
Zacharski et al JAMA. 1967 Oct 23;202(4):264-6.

 Useful to pick up lymphadenopathy,
granulomas
 Lymphomas, tuberculous, fungal
 Gallium-67 and/or indium-111: highly
sensitive for whole body but not specific
 PET scan data is limited in FUO
 Start with CT/ultrasounds, then tagged
wbc/PET later

 Dictated by history
 Subtle nervous system signs: LP
 Travel to midwest or southwest: investigate cocci, histo,
blasto
 Trauma: LENI
 Biopsies:
 Liver biopsy generally low yield for miliary tb,
granulomatous hepatitis or sarcoid
 Lymph nodes: better for lymphoma, cat scratch
 Temporal artery: low yield in minimal clinical signs
 BM: generally high yield in thrombocytopenic/anemic,
otherwise low in immunocompetent
 Therapeutic antibiotic trials: do not do
Bleeker-Rovers CP et al. Medicine (Baltimore). 2007;86(1):26

 Treatment of fever alone is generally not
necessary except in hyperpyrexia (>106.7)
 Outcome depends on underlying diagnosis
 Children: 88% with infections have no
sequelae
 Adults: most who remain undiagnosed after
extensive evaluation have a good prognosis

 21 y.o. male presents for the 3rd time to local
ER for back pain. H/o narcotic abuse. Sent out
after toradol injections and ibuprofen. Each
visit noted to have temps of 99.8. Multiple
“spider bites” near buttocks

 Strongly consider in IVDU
 Plain films notoriously negative
 Blood cultures can have high yield if
concominant endocarditis
 Detailed neurologic exam necessary
 Urgent imaging if focal neuro deficits
 Need to rule out osteomyelitis, epidural
abscess

 46 y.o. male with poorly controlled DM,
chronic active HCV, and active IVDU presents
with 1 month of dysuria and eventual fevers
 Several outpatient cultures negative
 Admitted with acute B obstructive uropathy,
pyelo, and ureteral “clots”

 SuspectTB in patient at risk for tuberculous
pyelo as top cause for ID diff for sterile pyuria
 In non-endemic area, IVDU/HCV/DM suspect
aspergillus

 78 y.o. female with COPD/CHF intubated x 1
week in ICU. She is on vancomycin, cefepime.
She has mild eosinophilia. Her hands look like
this:

http://www.jaoa.org/content/104/4/157/F4.expansion

 Vancomycin mediated linear IgA: appears like
bullous pemphigoid
 Responds to drug cessation/steroids
 Generally requires biopsy

 30% of hospitalized patients suffer from adverse drug reactions; outpatients can develop
drug fever years later after starting a drug
 Eosinophilia and rash are only seen in 25% of drug fevers
 Most common drugs:
 Antimicrobials: sulfonamides, penicillins, nitrofurantoin, vancomycin, antimalarials
 H1 and H2 blocking agents
 Antiepileptics: barbiturates, phenytoin
 Iodide contrast media
 NSAIDS
 Antihypertensive drugs: hydralazine, methyldopa
 Antiarrythmics: quinidine, procainamide
 Antithyroid
 Contaminants such as quinine (in heroin or cocaine)
 Rarely cause:digoxin, aminoglycosides
 25% of AIDS patients develop drug fever usually manifest as nausea and vomiting
 Diagnosis: therapeutic trial off drug: wait at least a week before ruling in/out

 82 y.o. male s/p urgent partial colectomy for
diverticular abscess. NPO, NGT, on vanco and
zosyn,TPN, vented, triple lumen left IJ.Yeast
in sputum, febrile daily with negative cxr, UA,
abdominal CT

 Strongly consider empiric or pre-emptive
treatment in patients on broad spectrum
antibiotics,TPN, intrabdominal surgery,
central lines, critically ill
 If fungemic, check ophtho andTTE to rule out
endophthalmitis/endocarditis.
 Consider line/mucosa/bowel as source
 Discontinue antimicrobials asap to minimize
pressure for fungemia

 25 y.o. female presents with intermittent
fevers for past week and painful facial lesions
 Temp 103
 HgB 9.2,WBC 2 (50% pmns), platelets 60
 BM Bx: myelodysplastic syndrome
 Patient remains febrile despite broad
spectrum abx and systemic antifungals for 1
week

Dermis.net
Biopsy reveals PMNs, neg gram stain, neg culture

 Acute onset of fever, leukocytosis,
erythematous plaques infiltrated by
neutrophils with no evidence of vasculitis or
infection
 Responds to steroids

 Factitious fevers: psych patients, munchausens
 Disordered heat homeostasis: follows hypothalamic dysfunction
(CVA, anoxic brain injury) or abnormal heat dissipation (skin
conditions such as ichthyiosis); hyperthyroidism
 Dental abscess: 20 case reports in literature: defervesced after
removal of decayed teeth; consider concominant brain abscess,
meningitis, mediastinal abscess, endocarditis
 Other infections (previously described): with pulm manifestations:
Q fever, leptospirosis, psittacosis, tularemia, meliodosis; without
pulm manifestations: secondary syphilis, disseminated gonococcal
infections, chronic meningococcemia, whipple’s disease,
yersiniosis
 Alcoholic hepatitis: fever, hepatomegaly, jaundice, anorexia

 PE: 14%
 Hematoma
 Hyperthyroidism and subacute thyroiditis
 Pheochromocytoma
 Heriditary: FMF, tumor necrosis factor
receptor-1-associated periodic syndrome
(TRAPS), hyper-IgD syndrome, Muckle-Wells
syndrome, and familial cold
autoinflammatory

The-Febrile-Patient-Dr.-Serrao-9.5.13.pptx

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