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 damages blood vessels.They become inflamed and may leak fluid or blood. As a result, the heart may not be able to pump blood effectively.n an urgent hypertensive crisis, your blood pressure is extremely high, but your doctor doesn't suspect you have any damage to your organs. In an emergency hypertensive crisis, your blood pressure is extremely high and has caused damage to your organs.