hypokalemia
noun
hy·po·ka·le·mia ˌhī-pō-ˌkā-ˈlē-mē-ə 
: a deficiency of potassium in the blood
hypokalemic
ˌhī-pō-ˌkā-ˈlē-mik
adjective 
Word History
Etymology
New Latin, from hypo- + kalium potassium (from kali alkali, from Arabic qily saltwort) + -emia
First Known Use
1949, in the meaning defined above
Medical Definition
hypokalemia
noun
hy·po·ka·le·mia
variants or chiefly British hypokalaemia
-kā-ˈlē-mē-ə
: a deficiency of potassium in the blood
called also hypopotassemia