Arthur Blank, a co-founder of Home Depot and owner of the Atlanta Falcons. His familyâs foundation has donated $20 million for community improvements near the Falconsâ new stadium. Credit Kevin D. Liles for The New York Times.
A diagnosis of unstable blood pressure can be caused by a multitude of factors, illnesses and disease processes. Unstable blood pressure can provoke a variety of symptoms, including but not limited to dizziness, shortness of breath, instability, fainting and erratic heart rhythms.
A hypertensive crisis is a severe increase in blood pressure that can lead to a stroke. Extremely high blood pressure â a top number (systolic pressure) of 180 millimeters of mercury (mm Hg) or higher or a bottom number (diastolic pressure) of 120 mm Hg or higher â can damage blood vessels. The blood vessels become inflamed and may leak fluid or blood. As a result, the heart may not be able to pump blood effectively.Causes of a hypertensive emergency include:A hypertensive crisis is ...