Hawking

(haw' -king) [ME., hauk, to hawk]. Clearing the throat by a forcible expiration.

Hay's Method. A method of removing drop- sical effusions by producing frequent serous evacuations by means of saline cathartics combined with a dry diet

Hay-asthma. See Hay-fever

Hayem's Corpuscles, H.'s Hematoblasts. See Bizzozero's Blood-platelets. H.'s Dis- ease, apoplectiform myelitis. H.'s Solution, used in the microscopic examination of blood; it consists of sodium chlorid, 1 Gm.; sodium sulfate, 5 Gm.; mercuric chlorid, 0.5 Gm.; dissolved in 200 Cc. of distilled water

Hay-fever. An acute affection of the con- junctiva and upper air-passages, coming on periodically at certain seasons of the year, especially in summer and autumn, in persons predisposed to the disease. The exciting factor in some cases is the pollen of grasses; in others the disease seems to be caused reflexly by polyps and other diseased condi-

HAYGARTH'S NODES 466

HEART tions of the nose. The chief symptoms are coryza, sneezing, headache, cough, and asth- matic attacks. Syn., Hay-asthma; Hay-cold

Haygarth's Nodes. Nodosities of the joints in arthritis deformans

Hb. Abbreviation of hemoglobin

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