Low potassium (hypokalemia) refers to a lower than normal potassium level in your bloodstream. Potassium is a chemical (electrolyte) that is critical to the proper functioning of nerve and muscles cells, particularly heart muscle cells. Normally, your blood potassium level is 3.6 to 5.2 millimoles per liter (mmol/L).
If it's your first time to that airport maybe two hours for a domestic flight and three for an international flight. If you've been to this â¦airport before an hour and a half (maybe less if you don't intend to check bags) for a domestic flight.
Step 2. Plan to arrive at least three hours before your flight's departure, especially the first time you fly. Seasoned travelers get a feel for airports and begin to cut it closer, arriving with the bare minimum of time, but chances are that you'll get turned around a few times at a huge international airport.