Acute shoulder pain due to bursitis

Acute shoulder pain due to bursitis is a musculoskeletal symptom complex characterized by the rapid onset of localized discomfort resulting from acute inflammation of synovial bursae within the shoulder girdle, most frequently the subacromial-subdeltoid bursa This condition commonly affects adults following direct mechanical trauma, sudden unaccustomed overhead activity, microvascular compromise, or crystalline deposition within the subacromial space Pathophysiologically, synovial lining irritat...

Acute shoulder pain due to bursitis is a musculoskeletal symptom complex characterized by the rapid onset of localized discomfort resulting from acute inflammation of synovial bursae within the shoulder girdle, most frequently the subacromial-subdeltoid bursa Clinically, it presents with focal anterolateral shoulder tenderness, painful active abduction or elevation—often producing a painful arc—and substantial sleep disruption when lying on the affected side

This condition commonly affects adults following direct mechanical trauma, sudden unaccustomed overhead activity, microvascular compromise, or crystalline deposition within the subacromial space Pathophysiologically, synovial lining irritation promotes fluid accumulation, bursal wall thickening, and localized release of inflammatory mediators, which compress adjacent structures during glenohumeral movement

Clinically, it presents with focal anterolateral shoulder tenderness, painful active abduction or elevation—often producing a painful arc—and substantial sleep disruption when lying on the affected side