Hence, every pair of bus stops will have 4 same digit and a 1 or 9 as the last digit to differentiate the direction of the service. Some bus stop numbers end with 'A' or 'Z', which is equivalent to '1' and '9' respectively.
Definition. Low blood pressure (hypotension) would seem to be something to strive for. However, for many people, low blood pressure can cause symptoms of dizziness and fainting.In severe cases, low blood pressure can be life-threatening.efinition. Low blood pressure (hypotension) would seem to be something to strive for. However, for many people, low blood pressure can cause symptoms of dizziness and fainting. In severe cases, low blood pressure can be life-threatening.
Some experts define low blood pressure as readings lower than 90 mm Hg systolic or 60 mm Hg diastolic â you need to have only one number in the low range for your blood pressure to be considered lower than normal. Septicemia can happen when an infection in the body enters the bloodstream. 2  This condition can lead to a life-threatening drop in blood pressure called septic shock. 3  Severe allergic reaction (anaphylaxis). 4  Anaphylaxis is a severe and potentially life-threatening allergic reaction.