Infectious Diseases

Treatment for Nocardia and Actinomyces




  • Sulfonamide for Nocardia
  • Actinomyces gets Penicillin




Vesicular rashes: Causes


Read as She.  (Think: She's too rash!)

  • Chicken pox
  • Coxsackie virus (HFMD*)
  • Shingles
  • Herpes simplex
  • Erythema multiforme

*Hand Foot & Mouth Disease


Typhoid (Enteric fever): Investigations


 Typhoid can be confirmed by various investigations and each of them becomes positive at various times in the course of the disease. This can be remembered as, BASU.


  • Blood culture in the 1st week (Bone marrow culture is better, but not commonly done)
  • Antibody detection (Widal) in 2nd week
  • Stool culture in the 3rd week
  • Urine culture in the 4th week




Aortic root dilatation: causes



  • Aneurysm
  • Dissection
  • Ankylosing spondylitis
  • Marfan's syndrome
  • Syphilis

Aortic root dilatation can produce various degrees of aortic regurgitation.

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