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».
1-Decreased cardiac output caused by cardiac factors (severe coronary blockage and MI, valvular disease, cardiac tamponade. 2-Decreased CO caused by non-cardiac peripheral factors- decreased VR: blood loss, acute venous dilation w/ no symp nervous system, obstruction of lg vein, decreased tissue mass.