Atrial flutter laboratory findings

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Raviteja Guddeti, M.B.B.S. [2]

Overview

Common laboratory tests obtained in a patient with atrial flutter include complete blood count with differential, thyroid function tests, ABG, urinalysis, liver function tests and INR levels.

Laboratory Findings

Laboratory studies in patients with atrial flutter include:

• Complete blood count is routinely done to look for anemia
• Differential count to look for elevated white cell count in infectious causes like pericarditis
• Thyroid function tests are done to look for hyperthyroidism, which is a potential cause of atrial flutter
• Blood gas analysis is done to look for hypoxia and carbonmonoxide poisoning
• Erythrocyte sedimentation rate
• Urinalysis
• Liver function tests
• Pre-warfarin coagulation screen (INR/aPTT)

Laboratory Findings

There are no diagnostic laboratory findings associated with [disease name].

OR

An elevated/reduced concentration of serum/blood/urinary/CSF/other [lab test] is diagnostic of [disease name].

OR

[Test] is usually normal among patients with [disease name].

OR

Laboratory findings consistent with the diagnosis of [disease name] include:

• [Abnormal test 1]
• [Abnormal test 2]
• [Abnormal test 3]

OR

Some patients with [disease name] may have elevated/reduced concentration of [test], which is usually suggestive of [progression/complication].