laboratorium diagnostiek, pseudohyperkalemie Falsely elevated plasma potassium concentration Pseudohyperkalemia
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Adult patients visiting the out-clinic for bloodsampling on request of the physician.
Exclusion criteria
Exclusion criteria: Patients with in vivo haemolysis, Patients with liver diseases, Patients with coagulation disorders, Patients receiving anti-coagulation medication, Cardiopulmonary comprised patients, Patients with skin lesions on their hands, Patients with thick callous skin on fingertips, Patients whom are unable to comprehend the informed consent, Patients unwilling to sign informed consent
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The main study parameter is the comparison of the potassium and the free haemoglobulin (haemolysis index) concentration in corresponding venous- and capillary blood samples from the same patient. | — |
Secondary
| Measure | Time frame |
|---|---|
| Other parameters that will be measured are; lactate dehydrogenase (LDH), Aspartate aminotransferase (ASAT), creatinekinase (CK), phosphate, magnesium and sodium. | — |
Countries
Netherlands