See also: 85% of hospital admissions for chest pain are NOT heart attack. 1  3. Cough: persistent coughing or wheezing can be a symptom of heart failure. 2  4. Dizziness: heart attacks or heart rhythm abnormalities can cause light-headedness or even loss of consciousness.
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Itâs the job of the kidneys to block or allow certain particles into the urine to maintain a balance within the body. Your doctor can use the urine osmolality test to check the levels of water and particles in your urine. Urine osmolality is a marker for how well the kidneys are working. It also helps your doctor diagnose certain problems. In most cases, a doctor may also order a blood, or serum, osmolality test. Levels of the following commonly affect blood osmolality: salt, or sodium, which is one of the most important electrolytes in blood and urine.