3. Tachycardia (Rapid Heart Beat)
Following frequent urination and a high mechanism, you are likely to have another symptom which affects cardiac functioning. When you drink a lot of water, your blood becomes thin, much more thin than usual and your volume increases as well. This means that your heart needs to pump faster in order to pump the larger volume of blood throughout the body and when blood is thin the heart struggles to push it throughout the system. Tachycardia is the medical word for a fast heart beat and if your resting heart rate is over 100 beats per minute, then consider getting checked out.