Blood serum concentrations are much lowerâonly about 0.4% of the body's potassium is found in blood serum. As noted above, hypokalemia can be caused by the sudden uptake of potassium ions from the bloodstream by muscle or other organs or by an overall depletion of the body's potassium.
Early symptoms of the flu may include conditions such as excessive or sudden fatigue or body aches and chills, according to Healthline. While fatigue can be an early symptom of a cold, in people who have the flu, the fatigue is much worse.
Detecting early symptoms of the flu can prevent the spread of the virus and possibly help you treat the illness before it gets worse. Early symptoms can include: fatigue; body aches and chills; cough; sore throat; fever; gastrointestinal problems; There are also early flu symptoms that are unique to children. Read on to learn more about all of these symptoms and how you can find relief.