Osteoarthritis vs. Rheumatoid Arthritis
OA is a degenerative disease that causes articular cartilage loss and joint space narrowing, while RA is an autoimmune disease that causes inflammatory synovitis.
Monteggia vs. Galeazzi Fractures
A Monteggia fracture is a fracture of the proximal ulna with dislocation of the radial head.
Pityriasis Rosea
Pityriasis rosea is an acute, self-limited eruption of oval, scaly papules and plaques with a distinctive morphology.
Clostridium difficile Infection
Clostridium difficile is a gram-positive anaerobic bacillus which secretes toxins (A and B) that cause diarrhea and pseudomembranous colitis.
The Menstrual Cycle
The menstrual cycle is coordinated by a series of hormones.
Pulmonary Hypertension
Pulmonary hypertension (PH) refers to increased pressure in the pulmonary circulation.
