Salmonellosis - causes, symptoms, diagnosis, treatment, pathology

What is Salmonellosis? Salmonellosis is a bacterial infection caused by Salmonella bacteria, which have 2 species, S. enterica and S. bongori and over 2400 serotypes.

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🎯 Key Takeaways for quick navigation:

00:05 🦠 *Introduction to Salmonellosis*
- Salmonellosis is a bacterial infection caused by Salmonella bacteria, including S. enterica and S. bongori.
- Over 2400 serotypes exist, with some commonly shortened for convenience.
- Transmission is often through contaminated food or water, and various serotypes cause infections in different animals.
01:30 🍲 *Transmission and Symptoms*
- Salmonella is typically transmitted through the fecal-oral route via contaminated food.
- Symptoms include gastroenteritis with abdominal pain and severe diarrhea.
- Infections can result from contact with infected animals or their skin.
02:16 🌐 *Spread and Impact on Organs*
- Salmonella can cause bacteremia and enteric fever, spreading to organs like the liver, lungs, heart, and bones.
- Symptoms usually appear 12-48 hours after ingestion and last 4-7 days.
- Typhoid fever, caused by Salmonella Typhimurium, can be life-threatening and requires antibiotic treatment.
03:12 🩺 *Diagnosis of Salmonellosis*
- Diagnosis is based on clinical signs and symptoms, confirmed by culture of stool, blood, urine, or tissue.
- Test results may come after symptoms resolve, so diagnosis is often symptom-based.
- In animals, diagnosis is suspected based on symptoms and confirmed by culture of feces, blood, or body tissues.
03:56 💊 *Treatment of Salmonellosis*
- Treatment in humans focuses on fluid and electrolyte replenishment for dehydration.
- Antibiotics are generally avoided but may be prescribed in severe cases or for immunocompromised patients.
- Treatment in animals involves fluid therapy, and the use of antibiotics is controversial.
05:08 🛡️ *Prevention and Control*
- Prevention includes handwashing, proper handling of raw meat, and thorough cooking of meat and eggs.
- Carrier animals and contaminated feed complicate control efforts in livestock.
- Government-backed programs and vaccines aim to reduce infection levels, especially in poultry and pigs.

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[Jack_Tilstone]

Salmonella typhi causes typhoid fever, Salmonella typhimurium causes most oftne self limiting disease

[Cleopatra-enye]

Nicely explained! Thank you very much for doing these medical videos! They are very helpful❤ I am IMG and recently started my first job as a doctor in the UK. Very often watching your videos)

[ci]

I thought typhoid fever is cause by S. typhi?

[Medperfect]

you didnt moncionned te neurological effect u miss some details

[durgavedwal]

I'm in 2nd year.. Whyyyy microbiology is so hard🥲😓

[mrehteshamjavaid]

Human and animal Dz is so much mixed together... who would b target audience...i like separate ones

[cheese]

Oh why why have I eaten those cold chicken nuggets

[lillieknight]

Diagnosed by just the symptoms? No antibiotics in mild cases? Hey, if they came to see the doctor, it’s not mild. I’m not impressed.