right-sided staphylococcus aureus endocarditis
Posted inDiseases R

Right-Sided Staphylococcus Aureus Endocarditis

Right-sided Staphylococcus aureus endocarditis is a serious and increasingly prevalent form of infective endocarditis, primarily affecting the tricuspid valve. It is particularly associated with intravenous…
rickettsialpox
Posted inDiseases R

Rickettsialpox

Rickettsialpox is an acute, self-limiting zoonotic disease caused by Rickettsia akari, a member of the spotted fever group (SFG) of Rickettsiae. It is transmitted to…
rickettsial infection
Posted inDiseases R

Rickettsial Infection

Rickettsial infection refers to a group of zoonotic diseases caused by obligate intracellular Gram-negative bacteria of the genus Rickettsia and related organisms. These pathogens are…
rickets
Posted inCondition R

Rickets

Rickets is a pediatric skeletal disorder resulting from defective mineralization of the growth plates due to prolonged deficiency of vitamin D, calcium, or phosphate. The…
riboflavin deficiency
Posted inDiseases R

Riboflavin Deficiency

Riboflavin, also known as vitamin B2, is a water-soluble vitamin critical to numerous cellular processes. It acts as a precursor to flavin mononucleotide (FMN) and…
rhinorrhea
Posted inCondition R

Rhinorrhea

Rhinorrhea, commonly known as a runny nose, is characterized by excessive nasal discharge. It may present as a watery, mucoid, or purulent fluid and can…
rhinocerebral phycomycosis
Posted inCondition R

Rhinocerebral Phycomycosis

Rhinocerebral phycomycosis, also referred to as rhinocerebral mucormycosis, is a fulminant, angioinvasive fungal infection predominantly caused by fungi of the order Mucorales, especially Rhizopus species.…
rhinitis
Posted inDiseases R

Rhinitis

Rhinitis is the inflammation of the nasal mucosa, a condition characterized by symptoms such as nasal congestion, rhinorrhea (runny nose), sneezing, and itching. This widespread…
rheumatoid arthritis
Posted inCondition R

Rheumatoid Arthritis

Rheumatoid arthritis (RA) is a chronic, systemic autoimmune disorder primarily affecting synovial joints. Unlike osteoarthritis, which results from wear and tear, RA is characterized by…