Recall :  Legionella case , diarrhea with hyponatremia

“A 45-year-old patient presents with fever, cough, diarrhea, and confusion. Lab results show hyponatremia and mild liver enzyme elevation. Chest X-ray reveals patchy infiltrates. What is the most likely diagnosis?”

A) Legionella pneumonia
B) Salmonella infection
C) Viral pneumonia
D) Mycoplasma pneumonia

right is : A) Legionella pneumonia

• ليجيونيلا (Legionella pneumonia)، وهي نوع من الالتهاب الرئوي الذي تسببه بكتيريا Legionella pneumophila.
• Leigionella pneumonia غالبًا ما يصيب الأشخاص الذين لديهم جهاز مناعي ضعيف، مثل المرضى المسنين أو أولئك الذين يعانون من أمراض مزمنة.

  Risk factors

  Most healthy people exposed to Legionella don’t get sick. People at increased risk of getting sick include:

  • Current or former smokers
  • People 50 years or older
  • People with specific health issues or conditions

  Health issues and conditions

  People with the following health conditions are at increased risk for getting sick if exposed to Legionella:

  • Cancer
  • Chronic lung disease
  • Diabetes
  • Kidney failure
  • Liver failure
  • Weak immune system