Tetanus (Lockjaw) Tetanus is acute poisoning from a neurotoxin produced by Clostridium tetani . Symptoms are intermittent tonic spasms of volunt…
Read moreMuscle Cramps A muscle cramp (charley horse) is a sudden, brief, involuntary, painful contraction of a muscle or group of muscles. Cramps commonly …
Read moreVITAMIN D DEFICIENCY Inadequate exposure to sunlight predisposes to vitamin D deficiency. Deficiency impairs bone mineralization, causing rickets in …
Read moreRed Eye Red eye refers to a red appearance of the opened eye , reflecting dilation of the superficial ocular vessels. Pathophysiology of Red …
Read moreSmallpox Smallpox is a highly contagious disease caused by the smallpox virus, an orthopoxvirus. Case fatality rate is about 30%. Natural infection…
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