What is the condition in which theR-R interval is declared premature?(a) If it is less than 75% of the predicted interval(b) If it is greater than 75% of the predicted interval(c) If it is less than 85% of the predicted interval(d) If it is greater than 85% of the predicted intervalI had been asked this question in class test.Query is from Clinical Data Interchange/Exchange Standards topic in portion Telemedicine Technology of Biomedical Instrumentation

What is the condition in which theR-R interval is declared premature?(

1.	What is the condition in which theR-R interval is declared premature?(a) If it is less than 75% of the predicted interval(b) If it is greater than 75% of the predicted interval(c) If it is less than 85% of the predicted interval(d) If it is greater than 85% of the predicted intervalI had been asked this question in class test.Query is from Clinical Data Interchange/Exchange Standards topic in portion Telemedicine Technology of Biomedical Instrumentation
Answer» Correct choice is (c) If it is LESS than 85% of the predicted interval The best I can explain: In timing CLASSIFICATION, the observed R-R interval is compared to an ESTIMATE of the expected R-R interval. An R-R interval will be declared premature if it is less than 85% of the predicted interval. SIMILARLY, an R-R interval is long if it is greater than 110% of the predicted value.

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