viral infection

Viral Infections

Viral infections are caused by microscopic agents known as viruses, which invade living cells to replicate and cause disease. Unlike bacteria, viruses cannot survive or…
viral hepatitis a prevention

Viral Hepatitis A Prevention

Hepatitis A is a highly contagious liver infection caused by the hepatitis A virus (HAV). It is transmitted primarily through ingestion of contaminated food or…
vertigo causes

Vertigo

Vertigo is a disorienting condition characterized by the false sensation of spinning or motion. It stems primarily from dysfunction in the vestibular system, which includes…
verruca vulgaris

Verruca Vulgaris

Verruca vulgaris, commonly referred to as the common wart, is a benign skin lesion resulting from infection with the human papillomavirus (HPV), primarily types 2…
verruca plantaris

Verruca Plantaris

Verruca plantaris, commonly referred to as plantar warts, is a type of benign skin lesion caused by infection with the human papillomavirus (HPV). Unlike other…
verruca plana

Verruca Plana

Verruca plana, commonly referred to as flat warts, are benign epidermal proliferations caused by specific strains of the human papillomavirus (HPV), particularly HPV types 3,…
vernal keratoconjunctivitis

Vernal Keratoconjunctivitis

Vernal keratoconjunctivitis (VKC) is a chronic, bilateral, and recurrent allergic inflammatory disease primarily affecting the conjunctiva and cornea. It predominantly occurs in children and young…
vernal keratitis

Vernal Keratitis

Vernal keratitis, a severe form of vernal keratoconjunctivitis (VKC), represents the corneal involvement in this chronic, recurrent ocular allergic condition. Predominantly affecting children and adolescents,…
vernal conjunctivitis

Vernal Conjunctivitis

Vernal conjunctivitis, also known as vernal keratoconjunctivitis (VKC), is a recurrent, bilateral, and chronic allergic eye disorder predominantly affecting children and adolescents. It is most…
ventricular tachycardia

Ventricular Tachycardia

Ventricular tachycardia (VT) is a potentially life-threatening cardiac arrhythmia originating from the ventricles, defined by a heart rate exceeding 100 beats per minute and typically…