Hyperkalemia Induced by the Sequential Administration of Metoprolol and Carvedilol.

This report describes the occurrence of asymptomatic hyperkalemia induced by the sequential administration of metoprolol and carvedilol in an 81-year-old man with type II diabetes and stable stage III renal insufficiency. The potassium level rose to 5.6-5.

Postmalaria neurological syndrome after treatment of Plasmodium falciparum malaria in the United States.

The neuropsychiatric manifestations of postmalaria neurological syndrome (PMNS) that have been described are highly variable and include an acute confusional state or acute psychosis with >or=1 of the following symptoms: clouding of consciousness, inappropriate speech or behavior, visual hallucination, catatonia with waxy flexibility, generalized convulsion, fine postural tremor, and decreased muscle tone. This postinfectious syndrome occurs after the clearance of parasitemia and is not a manifestation of cerebral malaria. We present the first identified case of and magnetic resonance imaging findings for a patient with PMNS in the United States.