# 05 Gm Negative Respiratory Bacilli

## Bordatella pertussis

[\_](https://github.com/thisispiggy/my-wiki/tree/601ff771dc2fac1318ae8b59435ac8485628fd81/01%20Step%201/Microbes/Bordatella%20pertussis%20transmission/README.md)..

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* coughing: Transmitted by respiratory droplets&#x20;

[\_](https://github.com/thisispiggy/my-wiki/tree/601ff771dc2fac1318ae8b59435ac8485628fd81/01%20Step%201/Microbes/Bordatella%20pertussis%203%20toxins/README.md)..

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* red bow GI: pertussis toxin
* EF Shield: like anthrax
* Tractor: tracheal toxin

[\_](https://github.com/thisispiggy/my-wiki/tree/601ff771dc2fac1318ae8b59435ac8485628fd81/01%20Step%201/Microbes/pertussis%20invade%20or%20attach?%20How/README.md)..

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* red and blow strings: Filamentous hemagglutinin, pili used to attach to respiratory epithelium and release toxin

[\_](https://github.com/thisispiggy/my-wiki/tree/601ff771dc2fac1318ae8b59435ac8485628fd81/01%20Step%201/Microbes/pertussis%20toxin%20MOA/README.md)..

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* bow and GI (military) in wheel chair: Pertussis toxin rirosylates Gi, disables Gi
* army camp: Pertussis toxin increases cAMP

[\_](https://github.com/thisispiggy/my-wiki/tree/601ff771dc2fac1318ae8b59435ac8485628fd81/01%20Step%201/Microbes/Bordatella%20pertussis%20classic%20lab%20value/README.md)..

![](https://f001.backblazeb2.com/file/wikiFiles/M5kyvwl.jpg)

* popcorn overflowing: Lymphocytosis due to loss of chemotaxis

[\_](https://github.com/thisispiggy/my-wiki/tree/601ff771dc2fac1318ae8b59435ac8485628fd81/01%20Step%201/Microbes/pertussis%20EF%20toxin%20MOA/README.md)..

![](https://f001.backblazeb2.com/file/wikiFiles/M5kyvwl.jpg)

* EF shield: Adenylate cyclase toxin: acts like Anthracis EF toxin, increase cAMP

[\_](https://github.com/thisispiggy/my-wiki/tree/601ff771dc2fac1318ae8b59435ac8485628fd81/01%20Step%201/Microbes/pertussis%20tracheal%20toxin%20part%20of,%20MOA/README.md)..

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* tractor cleaves grass: Tracheal toxin, peptidoglycan wall, damages ciliated cell of respiratory epithelium&#x20;

[\_](https://github.com/thisispiggy/my-wiki/tree/601ff771dc2fac1318ae8b59435ac8485628fd81/01%20Step%201/Microbes/pertussis%203%20phases%20and%20symptoms/README.md)..

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* Catarrhal phase: nonspecific, 1-2 weeks, conjunctival injection, lacrimation
* whoop horn: Paroxysmal stage: Whooping cough
* Victory banner: 100 day cough: convalescent stage can last for months, 3 months

[\_](https://github.com/thisispiggy/my-wiki/tree/601ff771dc2fac1318ae8b59435ac8485628fd81/01%20Step%201/Microbes/pertussis%20treatment%20and%20vaccine/README.md)..

![](https://f001.backblazeb2.com/file/wikiFiles/M5kyvwl.jpg)

* crow: Macrolide treatment
* cell phone: DTaP vaccine has acellular Pertussis antigens

## Haemophilus Influenza

[\_](https://github.com/thisispiggy/my-wiki/tree/601ff771dc2fac1318ae8b59435ac8485628fd81/01%20Step%201/Microbes/H.%20influenza%20gm%20stain,%20shape,%20agar,%20transmission)..

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* Phyllis: haemophilus
* red color: gm negative
* candy: Coccobacillary shape
* chocolate on window: Grown on chocolate agar
* 5 cent, nickle: factor V (nicotinamide) (NAD) added to chocolate agar (staph aureus with sheep blood)
* 10 c: Factor X (hematin) added to chocolate agar
* aerosol spray: Aerosol transmission
* capsule with bee: encapsulated with type B
* **IgA protease**

[\_](https://github.com/thisispiggy/my-wiki/tree/601ff771dc2fac1318ae8b59435ac8485628fd81/01%20Step%201/Microbes/H.%20influenza%20symptoms%20and%20cause)..

![](https://f001.backblazeb2.com/file/wikiFiles/Syw2PQ6.jpg)

* child screaming and drooling: Epiglottitis, inflammed epiglottis, inspiratory stridor, drooling
* chocolate covered cherries, kid with icecream and cherry: Cherry red epiglottis&#x20;
* stuffed ear: Otitis media
* meningitis kid: Meningitis in children
* capsule with bee: Strains with type B vaccine cause meningitis&#x20;

[\_](https://github.com/thisispiggy/my-wiki/tree/601ff771dc2fac1318ae8b59435ac8485628fd81/01%20Step%201/Microbes/H.%20influenza%20vaccine,%20age)..

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* syringe: Vaccine for H. flu type B&#x20;
* Dip: Vaccine is polysaccharide conjugated to Diphtheria toxoid&#x20;
* $2.18: Vaccine for ages 2-18 months

[\_](https://github.com/thisispiggy/my-wiki/tree/601ff771dc2fac1318ae8b59435ac8485628fd81/01%20Step%201/Microbes/H.%20influenza%20demographics)..

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* sickle: Increased risk of infection in sickle cell or asplenic patients&#x20;

[\_](https://github.com/thisispiggy/my-wiki/tree/601ff771dc2fac1318ae8b59435ac8485628fd81/01%20Step%201/Microbes/H.%20influenza%20treatment%20and%20prophylaxis)..

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* 3 axes: Ceftriaxone for meningitis or systemic disease&#x20;
* rifle: Rifampin prophylaxis for close contacts

## Legionella pneumophila

[\_](https://github.com/thisispiggy/my-wiki/tree/601ff771dc2fac1318ae8b59435ac8485628fd81/01%20Step%201/Microbes/legionella%20gm%20stain,%20agar,%20features/README.md)..

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* red color but silver on top: Gram negative but needs silver stain to be visualized&#x20;
* piles of coal: Grown on charcoal yeast extract&#x20;
* iron anchor with cysteine: Growth requires presence of iron and cysteine&#x20;
* girl with ring: Oxidase positive&#x20;

[\_](https://github.com/thisispiggy/my-wiki/tree/601ff771dc2fac1318ae8b59435ac8485628fd81/01%20Step%201/Microbes/legionella%202%20diseases/README.md)..

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* pontiac fever
* legionnaire

### Pontiac fever

[\_](https://github.com/thisispiggy/my-wiki/tree/601ff771dc2fac1318ae8b59435ac8485628fd81/01%20Step%201/Microbes/pontiac%20fever,%20bacteria,%20symptoms%20and%20result/README.md)..

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* Legionella
* Pontiac car steaming: Pontiac fever: self limited fever and malaise&#x20;

### Legionnaire's disease

\[\_]\(legionnaire's disease demographics, symptoms)..

![](https://f001.backblazeb2.com/file/wikiFiles/D5JuwmG.jpg)

* sailor smoking: Legionnaires' disease more common in smokers&#x20;
* coal flame: High fever >40 or >104
* confused sailor with hurt head: May present with headache and confusion&#x20;
* sailor with paint all around: Pneumonia with diarrhea suggestive of Legionnaires' disease "

[\_](https://github.com/thisispiggy/my-wiki/tree/601ff771dc2fac1318ae8b59435ac8485628fd81/01%20Step%201/Microbes/legionaire%20disease%20diagnosis%20and%20imaging/README.md)..

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* sailor urinating: Urine antigen test for rapid diagnosis&#x20;
* sailor wasting salt:  Hyponatremia, <130&#x20;
* map: X-ray shows patchy infiltrate with consolidation of one lobe&#x20;

\[\_]\(legionnaire's disease treatment)..

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* flower: Fluoroquinolone may also be used for treatment&#x20;
* crows: Macrolides for fever&#x20;
