Excessive sodium: High urinary levels of sodium result in increased levels of calcium. Certain defects in the kidney tubules transport system, which cause imbalances in sodium and phosphate, can lead to high calcium levels in the urine. A diet high in salt can also produce this effect.
Some of the common causes of Decreased cardiac output may include: 1  Mitral regurgitation. 2  Azotemia. 3  Hypotension. Cardiac tamponade.  Restrictive 1  cardiomyopathy. more causes...Â».
With the drop in cardiac output, a patient may experience the following symptoms. 1  These symptoms occur more frequently with a heart rate >150 beats per minute: 2  Shortness of air (S) 3  Palpitation feeling in chest (S) 4  Ongoing chest pain (U) 5  Dizziness (S) 6  Rapid breathing (S) 7  Loss of consciousness (U) 8  Numbness of body parts (S)