Sarco/endoplasmic reticulum Ca 2+-ATPase (SERCA): An enzyme that pumps calcium ions from the cytoplasm into the sarcoplasmic reticulum, crucial for muscle relaxation. Sodium-potassium ATPase (NKA ...
Digoxin blocks the sodium/potassium ATPase pump. The mechanism by which this decreases AV conduction is not clear but is perhaps due to increased vagal tone. Intracellular calcium within the ...
Calcium, magnesium ... “Low intakes of potassium are associated with increased blood pressure, worsening if intake of sodium ...