Bradycardia laboratory findings: Difference between revisions

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== Overview ==
==Overview==
There are no diagnostic laboratory findings associated with bradycardia.
Some patients with [[bradycardia]] may have elevated/reduced concentration of [[Electrolyte disturbance|electrolyte levels]], [[Glucose levels low|glucose level]], [[calcium]] level, [[Magnesium levels low (plasma or serum)|magnesium level]], [[thyroid function tests]], toxicologic screen and [[troponin]].


== Laboratory findings ==
== 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<ref name="pmid30586772">{{cite journal| author=Kusumoto FM, Schoenfeld MH, Barrett C, Edgerton JR, Ellenbogen KA, Gold MR | display-authors=etal| 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 | year= 2019 | volume= 140 | issue= 8 | pages= e382-e482 | pmid=30586772 | doi=10.1161/CIR.0000000000000628 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=30586772  }}</ref> ==
There are no diagnostic laboratory findings associated with bradycardia.
 
=== Recommendation for Laboratory Testing in Patients With Documented or Suspected Bradycardia or Conduction Disorders ===
{| class="wikitable"
|-
| colspan="1" style="text-align:center; background:LemonChiffon" |[[ACC AHA guidelines classification scheme#Classification of Recommendations|Class IIa]]
|-
| bgcolor="LemonChiffon" |'''1.'''In patients with bradycardia, laboratory tests (e.g., thyroid function tests, Lyme titer, potassium, pH) based on clinical suspicion for a potential underlying cause are reasonable.''(Level of Evidence: C-LD)''
|}
==Laboratory findings==
Laboratory findings consistent with the diagnosis of [[bradycardia]] include:<ref name="pmid29630253">{{cite journal| author=| title=StatPearls | journal= | year= 2020 | volume=  | issue=  | pages=  | pmid=29630253 | doi= | pmc= | url= }}</ref>
 
*[[Electrolyte disturbance|Electrolyte levels]]
*[[Glucose levels low|Glucose level]]
*[[Calcium levels raised (urine)|Calcium level]]
*[[Magnesium levels low (plasma or serum)|Magnesium level]]
*[[Thyroid function tests]]
*Toxicologic screen
*[[Troponin]]


==References==
==References==
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{{Reflist|2}}
{{Reflist|2}}


[[Category:Needs content]]
[[Category:Cardiology]]

Latest revision as of 01:21, 28 December 2022

Bradycardia Microchapters

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Overview

Historical Perspective

Classification

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Differentiating Bradycardia from other Conditions

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Risk Factors

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Natural History, Complications and Prognosis

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Laboratory Findings

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief:

Overview

Some patients with bradycardia may have elevated/reduced concentration of electrolyte levels, glucose level, calcium level, magnesium level, thyroid function tests, toxicologic screen and troponin.

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[1]

Recommendation for Laboratory Testing in Patients With Documented or Suspected Bradycardia or Conduction Disorders

Class IIa
1.In patients with bradycardia, laboratory tests (e.g., thyroid function tests, Lyme titer, potassium, pH) based on clinical suspicion for a potential underlying cause are reasonable.(Level of Evidence: C-LD)

Laboratory findings

Laboratory findings consistent with the diagnosis of bradycardia include:[2]

References

  1. Kusumoto FM, Schoenfeld MH, Barrett C, Edgerton JR, Ellenbogen KA, Gold MR; et al. (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): e382–e482. doi:10.1161/CIR.0000000000000628. PMID 30586772.
  2. "StatPearls". 2020. PMID 29630253.