Third degree AV block laboratory findings: Difference between revisions
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{{Third degree AV block}} | {{Third degree AV block}} | ||
{{CMG}}; {{AE}} {{Sara.Zand}} {{Soroush}} {{RT}} | |||
==Overview== | |||
There is not any recommendation about routine laboratory tests in [[patients]] presented with [[bradycardia]] or [[conduction disorder]]. However, in suspicion of the underlying causes of [[bradycardia]] including [[sepsis]], [[rheumatologic disorder]], or [[thyroid disease]] specific tests are warranted. | |||
==Laboratory Findings== | |||
*Laboratory tests in [[patients]] with [[bradycardia]] or conduction disorder based on the underlying cause may include: | |||
* [[Thyroid function test]] in suspicion of [[hypothyroidism]] | |||
* [[Lyme]] titer in acute [[Lyme]] carditis in a young [[person]] who develops [[atrioventricular block]] in an [[endemic]] area | |||
* [[ Potassium]] level, [[PH]] in [[patients]] with [[renal insufficiency]] | |||
* [[Blood]] [[digoxin]] level in [[patients]] suspected [[digoxin]] overdose | |||
{| class="wikitable" | |||
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| Colspan="1" style="text-align:center; background:LemonChiffon"|[[ACC AHA guidelines classification scheme#Classification of Recommendations|Class IIa]] | |||
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| Bgcolor="LemonChiffon"|<nowiki>"</nowiki>'''1''' [[Thyroid function tests]], [[Lyme]] titer, [[potassium]], pH) based on clinical suspicion for a potential underlying cause is recommended in [[patients]] with [[bradycardia]]'' ([[ACC AHA guidelines classification scheme#Level of Evidence|Level of Evidence C]])<nowiki>"</nowiki>'' | |||
|} | |||
<ref name="KusumotoSchoenfeld2019">{{cite journal|last1=Kusumoto|first1=Fred M.|last2=Schoenfeld|first2=Mark H.|last3=Barrett|first3=Coletta|last4=Edgerton|first4=James R.|last5=Ellenbogen|first5=Kenneth A.|last6=Gold|first6=Michael R.|last7=Goldschlager|first7=Nora F.|last8=Hamilton|first8=Robert M.|last9=Joglar|first9=José A.|last10=Kim|first10=Robert J.|last11=Lee|first11=Richard|last12=Marine|first12=Joseph E.|last13=McLeod|first13=Christopher J.|last14=Oken|first14=Keith R.|last15=Patton|first15=Kristen K.|last16=Pellegrini|first16=Cara N.|last17=Selzman|first17=Kimberly A.|last18=Thompson|first18=Annemarie|last19=Varosy|first19=Paul D.|title=2018 ACC/AHA/HRS Guideline on the Evaluation and Management of Patients With Bradycardia and Cardiac Conduction Delay: A Report of the American College of Cardiology/American Heart Association Task Force on Clinical Practice Guidelines and the Heart Rhythm Society|journal=Circulation|volume=140|issue=8|year=2019|issn=0009-7322|doi=10.1161/CIR.0000000000000628}}</ref> | |||
==References== | ==References== | ||
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[[Category:Disease]] | [[Category:Disease]] | ||
[[Category:Needs content]] | [[Category:Needs content]] | ||
[[Category:Needs overview]] | |||
[[Category:Emergency medicine]] | [[Category:Emergency medicine]] | ||
Latest revision as of 05:33, 2 July 2021
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Sara Zand, M.D.[2] Soroush Seifirad, M.D.[3] Raviteja Guddeti, M.B.B.S. [4]
Overview
There is not any recommendation about routine laboratory tests in patients presented with bradycardia or conduction disorder. However, in suspicion of the underlying causes of bradycardia including sepsis, rheumatologic disorder, or thyroid disease specific tests are warranted.
Laboratory Findings
- Laboratory tests in patients with bradycardia or conduction disorder based on the underlying cause may include:
- Thyroid function test in suspicion of hypothyroidism
- Lyme titer in acute Lyme carditis in a young person who develops atrioventricular block in an endemic area
- Potassium level, PH in patients with renal insufficiency
- Blood digoxin level in patients suspected digoxin overdose
| Class IIa |
| "1 Thyroid function tests, Lyme titer, potassium, pH) based on clinical suspicion for a potential underlying cause is recommended in patients with bradycardia (Level of Evidence C)" |
References
- ↑ Kusumoto, Fred M.; Schoenfeld, Mark H.; Barrett, Coletta; Edgerton, James R.; Ellenbogen, Kenneth A.; Gold, Michael R.; Goldschlager, Nora F.; Hamilton, Robert M.; Joglar, José A.; Kim, Robert J.; Lee, Richard; Marine, Joseph E.; McLeod, Christopher J.; Oken, Keith R.; Patton, Kristen K.; Pellegrini, Cara N.; Selzman, Kimberly A.; Thompson, Annemarie; Varosy, Paul D. (2019). "2018 ACC/AHA/HRS Guideline on the Evaluation and Management of Patients With Bradycardia and Cardiac Conduction Delay: A Report of the American College of Cardiology/American Heart Association Task Force on Clinical Practice Guidelines and the Heart Rhythm Society". Circulation. 140 (8). doi:10.1161/CIR.0000000000000628. ISSN 0009-7322.