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2. Myocardial contractility - Wikipedia

   en.wikipedia.org/wiki/Myocardial_contractility

   An increase in sympathetic stimulation to the heart increases contractility and heart rate. An increase in contractility tends to increase stroke volume and thus a secondary increase in preload. An increase in preload results in an increased force of contraction by Starling's law of the heart; this does not require a change in contractility.

3. Vasoactive intestinal peptide - Wikipedia

   en.wikipedia.org/wiki/Vasoactive_intestinal_peptide

   [6] [7] [8] VIP stimulates contractility in the heart, causes vasodilation, increases glycogenolysis, lowers arterial blood pressure and relaxes the smooth muscle of trachea, stomach and gallbladder. In humans, the vasoactive intestinal peptide is encoded by the VIP gene. [9] VIP has a half-life (t ½) in the blood of about two minutes. [10]

4. Vitamin D supplements may help improve blood pressure ... - AOL

   www.aol.com/vitamin-d-supplements-may-help...

   Taking a dose of 3,320 International Units (IU) of vitamin D per day was associated with benefits such as blood pressure, cholesterol, and fasting blood glucose, according to a meta-study.

5. Vitamin D Supplements May Help Lower Blood Pressure and ...

   www.aol.com/vitamin-d-supplements-may-help...

   People taking it had better blood pressure, total cholesterol, and fasting blood glucose. Some groups did even better, such as those with vitamin D deficiency or lower BMI.

6. Cardiac glycoside - Wikipedia

   en.wikipedia.org/wiki/Cardiac_glycoside

   Cardiac glycosides have long served as the main medical treatment to congestive heart failure and cardiac arrhythmia, due to their effects of increasing the force of muscle contraction while reducing heart rate. Heart failure is characterized by an inability to pump enough blood to support the body, possibly due to a decrease in the volume of ...

7. Vitamin D supplements may lower blood pressure in older ...

   www.aol.com/lifestyle/vitamin-d-supplements-may...

   Vitamin D supplements are linked to many health benefits, including decreasing the chance of heart disease, supporting immune function, and aiding weight loss. New research suggests that calcium ...