XXXIII - Histopathology (for pulmonary pathology see in ‘Pneumotox’ (a free companion App)
Last update 02/09/2026
Diffuse alveolar hemorrhage (DAH). Diagnosed by either fresh hemorrhage denoting recent active bleeding, stainable iron in macrophages (the Gold score) and/or capillaritis. See also 'Path: capillaritis' and BAL cytology under hemorrhage
Frequency - Incidence
Incidence of cardiac adverse event(s) due to the specific drug as assessed by number of reported/published cases in the literature. Red digits in stars indicate: 0 = Very rare, questionable signal · 1 = < 10 cases · 2 = 10-50 cases · 3 = 50–100 cases · 4 = 100-200 cases · 5 = >200 cases
Evidence level/grade
Evidence level for cardiac adverse event(s) due to the specific drug as estimated using Hill’s (1965), Naranjo’s (1981), and Bégaud’s (1985) criteria applied to published cases. Blue digits in stars indicate: 0 = Questionable · 1 = Low · 2 = Moderate · 3 = Robust · 4 = Definite · 5 = Unquestionable, pathognomonic
