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.
Save. Flu symptoms can be seen as early as one day after exposure or as late as five days. Once symptoms occur, it is best to consult your doctor. The elderly and young children are more susceptible to the disease and are more likely to die from it.So early detection and treatment for them is critical.he flu is really called influenza and it is a very contagious infection of the lungs, throat and nose. Symptoms include muscle aches, fever, sore throat, runny nose, cough and headache. Because the flu has a tendency to change, it can be hard to treat and has caused pandemics in the past such as in 1918 and 1957.