英文字典中文字典51ZiDian.com

中文字典辞典英文字典 a b c d e f g h i j k l m n o p q r s t u v w x y z

安装中文字典英文字典辞典工具!

安装中文字典英文字典辞典工具!

Calcium - Wikipedia
Calcium is a chemical element; it has symbol Ca and atomic number 20 As an alkaline earth metal, calcium is a reactive metal that forms a dark oxide-nitride layer when exposed to air Its physical and chemical properties are most similar to its heavier homologues strontium and barium
Calcium blood test - UCSF Health
About one half of the calcium in the blood is attached to proteins, mainly albumin A separate test that measures calcium that is not attached to proteins in your blood is sometimes performed Such calcium is called free or ionized calcium Calcium can also be measured in the urine
Ionized Calcium Test: Purpose, Procedure Risks - Healthline
Low levels of free calcium can cause your heart rate to slow down or speed up, cause muscle spasms, and even result in a coma Your doctor may order an ionized calcium test if you have any signs
004804: Calcium, Ionized | Labcorp
Measurement of serum ionized calcium provides insight into the effect of total protein and albumin on serum calcium levels A patient can have high total calcium, with normal ionized calcium and increased total protein and or albumin, as in dehydration or in myeloma
Calcium Blood Test: MedlinePlus Medical Test
What is a calcium blood test? A calcium blood test measures the amount of calcium in your blood Too much or too little calcium in your blood may be a sign of a wide range of medical conditions, such as bone disease, thyroid diseas e, parathyroid disorders, kidney disease, and other conditions
Calcium Blood Test - Endocrine Surgery | UCLA Health
Serum calcium is a blood test to measure the amount of calcium in the blood Serum calcium is usually measured to screen for or monitor bone diseases or calcium-regulation disorders (diseases of the parathyroid gland or kidneys) Alternative names include Ca+2, Calcium – serum, and Ca++