atropine test

De·hi·o test

(de-hī'ō),
if an injection of atropine relieves bradycardia, the condition is due to action of the vagus; if it does not, the condition may be due to an affection of the heart itself.
Synonym(s): atropine test

atropine test

A test devised by KK Dehio (1851–1927) once used in cardiology to differentiate between bradycardia due to vagal overstimulation (atropine evokes acceleration) and bradycardia of myocardial origin (which is unaffected by atropine).

Dehio,

Karl K., Russian physician, 1851-1927.
Dehio test - a test to determine the cause of bradycardia. Synonym(s): atropine test
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The tests for parasympathetic affection done were valsalva ratio, inspiration Expiration ratio, 30/15 ratio and atropine test.
0 gm% 9 18 27 18 36 54 TABLE 2: AUTONOMIC FUNCTION STUDY OF THE CASES Autonomic Normal Definite Borderline Total Percentage function test Valsava ratio 28 09 13 22 44 Inspiration/ 31 08 11 19 38 Expiration ratio 30/15 ratio 17 26 07 33 66 Atropine test 37 -- -- 13 26 Diastolic raise 11 21 18 39 78 in blood pressure to sustained hand grip exercise Systolic fall 07 04 39 43 86 in BP on standing TABLE 3: TOTAL NUMBER OF AUTONOMIC FUNCTION ABNORMALITIES IN STUDY POPULATION No.
A study of autonomic function tests in patients with chronic severe anemia

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