👉 Hyperdiastolic is a medical condition that occurs when the blood pressure is too low, which can lead to serious health problems. It's also known as low systolic blood pressure or hypotension. When blood pressure drops below normal levels, it's called hyperdiastolic. This condition can cause damage to important organs and tissues in your body, leading to symptoms such as shortness of breath, chest pain, confusion, dizziness, nausea, and even death if not treated immediately.