G6PD and hyperinsulinemic hypoglycemia, familial, 4: The false positive Pv-pLDH lines are of concern because the diagnosis of life-threatening P. falciparum malaria may be missed (two-band Pv-pLDH RDT), or the patient will be treated incorrectly with primaquine (three- or four-band RDT), which may cause severe hemolysis in patients with G6PD-deficiency.