AVNRT laboratory findings: Difference between revisions
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==Overview== | ==Overview== | ||
Patients presenting AVNRT must be checked for thyroid function, serum electrolytes, and cardiac markers. | Patients presenting AVNRT must be checked for thyroid function, serum [[Electrolyte disturbance|electrolytes]], and [[cardiac markers]]. | ||
==Laboratory Findings== | ==Laboratory Findings== | ||
Depending upon the patient's history and demographics, the following laboratory studies should be considered: | Depending upon the patient's history and demographics, the following laboratory studies should be considered:<ref name="Fernando2020">{{cite journal|last1=Fernando|first1=Harith|title=Investigations for the assessment of adult patients presenting to the emergency department with supraventricular tachycardia|journal=World Journal of Emergency Medicine|volume=11|issue=1|year=2020|pages=54|issn=1920-8642|doi=10.5847/wjem.j.1920-8642.2020.01.008}}</ref> | ||
* [[Thyroid function tests]] ([[TFTs]]) - an [[hyperthyroidism|overactive thyroid]] may increase the risk of AVNRT | * [[Thyroid function tests]] ([[TFTs]]) - an [[hyperthyroidism|overactive thyroid]] may increase the risk of AVNRT | ||
* [[Electrolyte]]s - [[hypokalemia]], [[hypomagnesemia]] may predispose to AVNRT | * [[Electrolyte]]s - [[hypokalemia]], [[hypomagnesemia]] may predispose to AVNRT | ||
Latest revision as of 14:02, 17 April 2020
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Risk calculators and risk factors for AVNRT laboratory findings |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Ramyar Ghandriz MD[2]
Overview
Patients presenting AVNRT must be checked for thyroid function, serum electrolytes, and cardiac markers.
Laboratory Findings
Depending upon the patient's history and demographics, the following laboratory studies should be considered:[1]
- Thyroid function tests (TFTs) - an overactive thyroid may increase the risk of AVNRT
- Electrolytes - hypokalemia, hypomagnesemia may predispose to AVNRT
- Cardiac markers - if there is a concern that myocardial infarction (a heart attack) has occurred either as a cause or as a result of the AVNRT; this is usually only the case if the patient has experienced ischemic chest pain
References
- ↑ Fernando, Harith (2020). "Investigations for the assessment of adult patients presenting to the emergency department with supraventricular tachycardia". World Journal of Emergency Medicine. 11 (1): 54. doi:10.5847/wjem.j.1920-8642.2020.01.008. ISSN 1920-8642.