Glucose-6-phosphate dehydrogenase deficiency diagnostic study of choice
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief:
Overview
Diagnostic Study of Choice
Study of choice
[Name of the investigation] is the gold standard test for the diagnosis of [disease name].
OR
The following result of [gold standard test] is confirmatory of [disease name]:
- [Result 1]
- [Result 2]
OR
[Name of the investigation] must be performed when:
- The patient presents with [symptom/sign 1], [symptom/sign 2], and [symptom/sign 3].
- A [name of test] is positive for [sign 1], [sign 2], and [sign 3] in the patient.
OR
[Name of the investigation] is the gold standard test for the diagnosis of [disease name].
OR
The diagnostic study of choice for [disease name] is [name of the investigation].
OR
There is no single diagnostic study of choice for the diagnosis of [disease name].
OR
There is no single diagnostic study of choice for the diagnosis of [disease name], but [disease name] can be diagnosed based on [name of the investigation 1] and [name of the investigation 2].
OR
[Disease name] is primarily diagnosed based on the clinical presentation.
OR
Investigations:
- Among the patients who present with clinical signs of [disease name], the [investigation name] is the most specific test for the diagnosis.
- Among the patients who present with clinical signs of [disease name], the [investigation name] is the most sensitive test for diagnosis.
Among the patients who present with clinical signs of [disease name], the [investigation name] is the most efficient test for diagnosis.
The comparison of various diagnostic studies for [disease name]
| Test | Sensitivity | Specificity |
|---|---|---|
| Test 1 | ...% | ...% |
| Test 2 | ...% | ...% |
[Name of test with higher sensitivity and specificity] is the preferred investigation based on the sensitivity and specificity
Diagnostic results
The following finding(s) on performing [investigation name] is(are) confirmatory for [disease name]:
- [Finding 1]
- [Finding 2]
Sequence of Diagnostic Studies
The [name of investigation] must be performed when:
- The patient presented with symptoms/signs 1, 2, and 3 as the first step of diagnosis.
- A positive [test] is detected in the patient, to confirm the diagnosis.
OR
The various investigations must be performed in the following order:
- [Initial investigation]
- [2nd investigation]
Name of Diagnostic Criteria
It is recommended that you include the criteria in a table. Make sure you always cite the source of the content and whether the table has been adapted from another source.
[Disease name] is primarily diagnosed based on clinical presentation. There are no established criteria for the diagnosis of [disease name].
OR
There is no single diagnostic study of choice for [disease name], though [disease name] may be diagnosed based on [name of criteria] established by [...].
OR
The diagnosis of [disease name] is made when at least [number] of the following [number] diagnostic criteria are met: [criterion 1], [criterion 2], [criterion 3], and [criterion 4].
OR
The diagnosis of [disease name] is based on the [criteria name] criteria, which includes [criterion 1], [criterion 2], and [criterion 3].
OR
[Disease name] may be diagnosed at any time if one or more of the following criteria are met:
- Criteria 1
- Criteria 2
- Criteria 3
OR
IF there are clear, established diagnostic criteria
The diagnosis of [disease name] is made when at least [number] of the following [number] diagnostic criteria are met: [criterion 1], [criterion 2], [criterion 3], and [criterion 4].
OR
The diagnosis of [disease name] is based on the [criteria name] criteria, which include [criterion 1], [criterion 2], and [criterion 3].
OR
The diagnosis of [disease name] is based on the [definition name] definition, which includes [criterion 1], [criterion 2], and [criterion 3].
OR
IF there are no established diagnostic criteria
There are no established criteria for the diagnosis of [disease name].
References
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Glucose-6-phosphate dehydrogenase deficiency Microchapters |
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Differentiating Glucose-6-phosphate dehydrogenase deficiency from other Diseases |
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Diagnosis |
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Treatment |
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Case Studies |
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Glucose-6-phosphate dehydrogenase deficiency diagnostic study of choice On the Web |
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American Roentgen Ray Society Images of Glucose-6-phosphate dehydrogenase deficiency diagnostic study of choice |
|
FDA on Glucose-6-phosphate dehydrogenase deficiency diagnostic study of choice |
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CDC on Glucose-6-phosphate dehydrogenase deficiency diagnostic study of choice |
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Glucose-6-phosphate dehydrogenase deficiency diagnostic study of choice in the news |
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Blogs on Glucose-6-phosphate dehydrogenase deficiency diagnostic study of choice |
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Directions to Hospitals Treating Glucose-6-phosphate dehydrogenase deficiency |
Other standard tests are DNA testing and sequencing of the G6PD gene.[1]Editor-In-Chief: C. Michael Gibson, M.S., M.D. [2]; Associate Editor(s)-in-Chief: Mahda Alihashemi M.D. [3] [4] [5] [6] [7]
Overview
Diagnostic Study of Choice
Study of choice
Testing for G6PD deficiency may be done in the following settings:[2]
- Neonatal jaundice
- Unexplained hemolytic anemia
- High risk patients before administration oxidant medications.
- Asymptomatic family members
Quantitative laboratory assay for G6PD enzyme activity
Beutler fluorescent spot test is the gold standard test for the diagnosis of G6PD deficiency. This test detects NADPH produced by G6PD under ultraviolet light.[1]
DNA testing and sequencing of the G6PD gene
Diagnostic results
- G6PD enzyme activity less than 5 units per gram of hemoglobin in quantitative laboratory assay is considered G6PD deficiency.
- The following result of Beutler fluorescent spot testis is confirmatory of G6PD deficiency.
No fluorescence under ultraviolet light. False negative result in active hemolysis, so this test is done 2-3 weeks after hemolysis.
| Test | Sensitivity | Specificity |
|---|---|---|
| Test 1 | ...% | ...% |
| Test 2 | ...% | ...% |
[Name of test with higher sensitivity and specificity] is the preferred investigation based on the sensitivity and specificity
Diagnostic results
The following finding(s) on performing [investigation name] is(are) confirmatory for [disease name]:
- [Finding 1]
- [Finding 2]
Sequence of Diagnostic Studies
The [name of investigation] must be performed when:
- The patient presented with symptoms/signs 1, 2, and 3 as the first step of diagnosis.
- A positive [test] is detected in the patient, to confirm the diagnosis.
OR
The various investigations must be performed in the following order:
- [Initial investigation]
- [2nd investigation]