Hyperkalemia laboratory findings
 |
Resident Survival Guide |
|
Hyperkalemia Microchapters |
|
Diagnosis |
|---|
|
Treatment |
|
Case Studies |
|
Hyperkalemia laboratory findings On the Web |
|
American Roentgen Ray Society Images of Hyperkalemia laboratory findings |
|
Risk calculators and risk factors for Hyperkalemia laboratory findings |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-In-Chief: Priyamvada Singh, M.B.B.S. [2] ; Aditya Ganti M.B.B.S. [3]
Overview
In a patient who does not have a risk for hyperkalemia, repeating the blood test is indicated before taking any actions unless changes are present on electrocardiography.
Laboratory Findings
In a patient who does not have a risk for hyperkalemia, repeating the blood test is indicated before taking any actions unless changes are present on electrocardiography.
Initial tests
- Complete blood count (CBC)
- Metabolic profile
- Urine potassium, sodium, and osmolality
Cause specific
- Blood glucose In patients with history of diabetes mellitus
- Digoxin level
- Arterial or venous blood gas (acidosis)
- Urinalysis (renal insufficiency)
- Serum cortisol and aldosterone levels (mineralocorticoid deficiency)
- Serum uric acid and phosphorus assays (tumor lysis syndrome)
- Serum creatinine phosphokinase (CPK) and calcium measurements and urine myoglobin test (crush injury or rhabdomyolysis)
| Lab Test | Findings |
|---|---|
| Complete Blood count |
|
| ESR and CRP |
Elevated ESR and C-reactive protein |
| Liver function tests |
|
| Pus culture | Pus drained from abscess is used for culture and sensitivity |
| Blood culture |