A 30 year old male developed flu like symptoms with fatigue,afternoon fever, night sweats,weight loss,abdominal cramping,and significant diarrhea.He had taken in very little water over the few days prior to admission to thje hospital.blood tests revealed the following:

Hematocrit:56%
Leukocytes: 1000/cu mm
Serum Potassium: 3.2 mEq/L
CD4 T-cell counts: <200/ul of blood

1.What is the diagnosis of this individual?
2.What caused the hematocrit abnormality?
3.what treatments are available for this disorder?
4.What is the term form this persons potassium level prior to treatment?
5.What effect could this abnormal potassium level potentially have on the heart?