Oncohema Key

Myocarditis Myocarditis is focal or diffuse inflammation of the cardiac muscle (myocardium). It may be acute or chronic and can occur at any age. In many cases, myocarditis fails to…

Mycotoxicosis Diseases caused by mycotoxins are called mycotoxicoses. Trichothecene mycotoxins are low-molecular-weight compounds produced by more than 350 species of fungi and are pathogenic to animals and humans. The T-2…

Mycobacterium Avium Complex M. avium complex consists of two species, M. avium and M. intracellulare. They together are referred to as M. avium-intracellulare. M. avium complex causes lung disease in…

Mumps Droplet Precautions Mumps, also known as infectious or epidemic parotitis, is an acute viral disease caused by a paramyxovirus. It causes painful enlargement of the salivary or parotid glands….

Mononucleosis, Infectious Mononucleosis is an acute infectious disease caused by the Epstein-Barr virus (EBV), a member of the herpes group. It primarily affects young adults and children, but some cases…

Monkeypox Droplet Precautions Contact Precautions Monkeypox is a rare viral disease that is identified mostly in the rainforest countries of Central and West Africa. The virus was originally discovered in…

Molluscum Contagiosum Infection M. contagiosum is a virus that causes a self-limiting skin disease resulting in lesions on affected areas. In adults it is considered a sexually transmitted disease. Patients…

Methicillin-resistant Staphylococcus Aureus Infection Contact Precautions Methicillin-resistant S. aureus (MRSA), a mutation of a very common bacterium, is spread easily by direct person-to-person contact. Once limited to large teaching hospitals…

Meningoencephalitis, Primary Amebic Primary amebic meningoencephalitis (PAM) is an acute, fulminant, and rapidly fatal infection involving the central nervous system. It is caused by the parasite Naegleria fowleri, a free-living…

Meningitis Droplet Precautions Meningitis is an inflammation of the meninges (dura mater, arachnoid, and pia mater). It can be acute, with symptoms occurring in hours to days, or chronic, with…