Low Diastolic Blood Pressure


Low diastolic blood pressure is not as common as high blood pressure but can be a dangerous condition nonetheless. Blood Pressure is the force applied by the blood against the walls of the vessels.

The normal or healthy average pressure usually ranges from 90/60 to 119/79 mmHg. The maximum that is acceptable is 120/80 mmHg but that number is sometimes considered to be the starting point of prehypertension. The prehypertension is the first step toward hypertension. A prehypertensive person is still healthy but must take the necessary precautions to prevent an increase of the blood pressure.

You will notice that blood pressure readings consist of 2 numbers that look like a fraction. The number in the top is the systolic pressure and the one in the bottom is called the diastolic blood pressure. The systolic is measured when the heart contracts and the diastolic is the one taken when the heart is relaxed. Both behave in a similar way if one goes up the other one has to rise as well. There has been reports that diastolic blood pressure seems to have a greater impact on the body that the systolic one.


The dangers of low diastolic blood pressure are as damaging as the high diastolic pressure if it gets too low.


High diastolic pressure can cause severe damage to the organs in the body like the heart, brain and kidneys.

Keeping the systolic pressure down to lower than 90 mmHg is very important to prevent complications. Cognitive problems have been identified as consequence of having the systolic too high. The ability to concentrate and perform certain tasks like reading and perform mathematical calculations can be disrupted if the diastolic pressure is too high. In the case of low diastolic blood pressure it can cause other problems too.

When the pressure gets too low some of the symptoms are dizziness and fainting. Low blood pressure means that blood is not reaching the organs efficiently and a poor amount of oxygen is being delivered to the organs.


Chest pain and even heart attacks can be a consequence if not enough blood can reach the coronary arteries.

The kidneys can also fail to eliminate the waste of the body if the amount of blood reaching them is too little. Prolonged exposure to very low blood pressure can lead to shock and that can causes liver, lung, heart and brain failure.

Most of the cases of severe low blood pressure are treated with hydration with plenty of fluids and electrolytes. In mild cases fluids are taken orally but the most severe ones are provided intravenously.














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