| JHR | Jarisch-Herxheimer reaction |
|---|---|
| JR | Jolly reaction; junctional rhythm |
| kf | flocculation rate in antigen-antibody reaction |
| LAR | laryngology; late asthmatic response; late reaction; left arm recumbent; leukocyte antigen-related |
| LCAR | late cutaneous anaphylactic reaction |
| local anaesthetic reaction | A toxic reaction due to absorption of local anaesthetic drug during regional anaesthesia, ranging from drowsiness to convulsions and cardiovascular collapse. (05 Mar 2000) |
|---|---|
| local reaction | A reaction which occurs at the point of entrance of an infecting organism or of an injection, as in the Arthus phenomenon. Synonym: local reaction. (05 Mar 2000) |
| Loewenthal's reaction | The agglutinative reaction in relapsing fever. (05 Mar 2000) |
| Lohmann reaction | The reaction catalyzed by creatine kinase. (05 Mar 2000) |
| lymphocytic leukemoid reaction | Leukocytosis of varying degree, with adult lymphocytes and immature forms amounting to 40% (or more) of the total number of white blood cells in the circulating blood; may be observed in association with pertussis, infectious mononucleosis, gonorrhoea, chickenpox, and sarcoidosis. (05 Mar 2000) |