Tag: Aspergillosis

  • Asthma

    Asthma

    – BHR (BHR) is almost constant but not specific for asthma (it can be seen in bronchitis, COPD, DDB, abortion). It can also be induced by drugs (beta blockers, ACE …). – Histamine causes bronchoconstriction by direct effect on the smooth muscle. Other bronchoconstrictors products are: leukotriene, thromboxane, prostaglandin D2 PG; acetylcholine; Substance P; α…