Shared Flashcard Set

Details

Pulm-Micro
Fungal Respiratory Infections
26
Microbiology
Graduate
10/08/2010

Additional Microbiology Flashcards

 


 

Cards

Term
Ohio River Valley, Mississippi River, Bats/Avian Feces, Ground-moving
Definition
Histoplasmosis
Term
Southwest, Dust clouds, Earthquakes
Definition
Coccidiodes immitis
Term
Rural Southeast and Northcentral US, 20-50 yr old Male
Definition
Blastomyces
Term
Warm Wet Climate, S.America/Mexico
Definition
Paracoccidiodes brasiliensis
Term
Manifestations of Histoplasmosis
Definition
90% Asymptomatic
Mild Flu<->Fulminating Milliary Disease
Reticuloendothelial Organ Damage
Term
Manifestations of Coccidiodes
Definition

50-60% Asympomatic 40% Flu, 1-10% Severe

Flu-like 1-4 wks->Dissemination Ulcerating Granulomatous Skin Lesions Meningeal Infection-> CNS Signs

Erethema Nodosum: 20% Women

Term
Manifestations of Aspergillious
Definition

Allergic:SerineProtease->Rhinitis/Wheeze

Chronic Exp->SevereAsthma->Brochiectasis

Pulmonary: Asympt<->Hemoptasis

Invasive

Vessel Invasion

Term
Risk Factors for each Aspergillus Infection
Definition

Allergic:CF/CF Carrier,Atopy,High Exposure Pulmonary:TB,Sarcoid,Emphysema,Cavitary Cancer

Invasive: Immunosupression(Glucorticoids,Chemo)

Term
Diagnosis of Histoplasmosis
Definition

Clinical suspicion

Skin Test: Histoplsmin Antigen

Staining: Methanemina-Silver or PAS of Sputum or Marrow

Culture: Mold(25),Yeast(37)

Term
Diagnosis of Coccidiodes
Definition

Suspicion: Flu-like after Southwest visit

Skin Test: After 1-2 Wks

Serology: Precipatin(1-2wks), Complement Fix(2-3mths)=Disseminated

Direct Exam

Culture: Mold at 25, Yeast not culturable

Term
Diagnosis of Aspergilus
Definition

Allergic: Skin Test-Wheal/flare with late arthus

Ball: CXR

Invasive: Histopath-Septate Hyphae with 45 branch

Term
Diagnosis of Zygomyces
Definition

Direct Exam: Pus, Sputum, Nasal, cerebral

Culture

Histopath: Aseptate, 90 Branch

Term
Diagnosis of Blastomyces dermatitidis
Definition

Sputum/Biopsy Ulcer:Broad-Based Bud

Culture(25 mold,37 yeast)

Term
Diagnosis of Paracoccidiodes brasiliensis
Definition

Culture: Mold (25), Yeast (37), Parent Cell w/ Peripheral Bud

Skin Test

 

Term
Manifestations of Zygomyces
Definition

Rhinocerebral: Occular and Palate Lesions

Pulmonary: Bronchitis/Pneumonia

Gastrointestinal

Term
Manifestations of Blastomyces dermatitidis
Definition

Respiratory->Skin, Sub-Cut, Bone

Lesions:Palpable->Ulceration->

Central healing

Death: 90% if Untreated

Term
Manifestations of Paracoccidiodes brasiliensis
Definition
Respiratory-> Chronic Granulomatous(Pulm and Lymph)->Mucocutaneous Lesion
Term
Treatment of Histoplasmosis
Definition

Amphoterin B or Oral/IV Itraconazole

Only tx severe pulm, cavitary, acute/chronic disseminated

Term
Treatment of Coccidiodes
Definition

Meningitis: Amphotericin B

Chronic Pulmonary: Azoles

Surgery

Term
Treatment of Aspergillus
Definition

Allergic: Corticosteroid w/ or w/o Intraconazole

Ball: Amphotericin B + Fluctosine, Surgery

Invasive: Surgical Drain, Increase Immune, Amphotericin B and/or Azole, If Refractory to Ampho: Caspofungin or Voriconazole

Term
Treatment of Zygomyces
Definition

 

Surgical Drain, Increase Immune, Amphotericin B and/or Azole, If Refractory to Ampho: Caspofungin or Voriconazole

Term
Treatment of Blastomyces dermatitidis
Definition

Acute: Amphotericin B

Chronic: Azoles

Term
Treatment of Paracoccidiodes brasiliensis
Definition

Disseminated: Ampho B

Pulm: Azoles

Term
Species of Aspergillus and which is the most common pathogen
Definition
Fumigatus(Most Common), Flavus, Niger
Term
Infectious form of Cocciodes immitis
Definition
Anthroconidia
Term
Epidemiology of Zygomyces
Definition
Diabetic Keto-Acidosis
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