Other causes. Chest pain can also be caused by: Panic attack. If you have periods of intense fear accompanied by chest pain, rapid heartbeat, rapid breathing, profuse sweating, shortness of breath, nausea, dizziness and a fear of dying, you may be experiencing a panic attack.
Serum phosphorus is measured in milligrams of phosphorus per deciliter of blood (mg/dL). A normal range is generally 2.4 to 4.1 mg/dL. The normal range varies slightly depending on your age. Itâs natural for children to have higher phosphorus levels because they need more of this mineral to help their bones develop.
1 The recommended dietary allowance (RDA), 700 mg/day of phosphorus for healthy adults, is meant to sustain serum phosphorus concentrations within the physiologic range of 2.5 to 4.5 mg/dL. (More information). 2  Phosphorus is found in most food sources and is a component of many commonly used food additives.