Ferritin test - Mayo Clinic Overview A ferritin test measures the amount of ferritin in the blood Ferritin is a blood protein that contains iron This test can be used to find out how much iron the body stores If a ferritin test shows that the blood ferritin level is low, it means the body's iron stores are low This is a condition called iron deficiency Iron deficiency can cause anemia
Mental health: Whats normal, whats not - Mayo Clinic Mental health is the overall wellness of how you think, behave and manage your feelings A mental health condition may be present when patterns or changes in thinking, feeling, or behaving cause distress or disrupt a person's ability to do daily activities A mental health disorder may affect how
Ejection fraction: An important heart test - Mayo Clinic Ejection fraction is a measurement of the percentage of blood leaving the heart each time it squeezes When the heart squeezes, it's called a contraction Ejection fraction is just one of many tests your healthcare professional may use to see how your heart works The heart squeezes and relaxes When the heart squeezes, it pumps out — or ejects — blood from the two lower heart chambers
Vitamin D - Mayo Clinic Vitamin D is a nutrient the body needs, along with calcium, to build bones and keep them healthy The body can absorb calcium only if it has enough vitamin D Calcium is a major part of bones Vitamin D also has many other uses in the body It supports immune health and helps keep muscles and brain
Thyroid peroxidase antibody test: What is it? - Mayo Clinic The thyroid peroxidase antibody test is a blood test Sometimes it's done to help find out if a person has thyroid disease that's caused by an immune system condition The test isn't used alone to diagnose thyroid disease Thyroid peroxidase (TPO) is a type of protein called an enzyme It's found in
High blood pressure (hypertension) - Symptoms causes - Mayo Clinic Hypertension can be diagnosed by performing careful and repeated measures of the blood pressure Blood pressure categories include normal blood pressure, defined as a systolic pressure less than 120, and a diastolic pressure less than 80 Elevated blood pressure is defined as a systolic pressure 120 to 129, and a diastolic pressure less than 80
Hydrocephalus - Symptoms and causes - Mayo Clinic Normal-pressure hydrocephalus Most common in older adults, this type causes the brain's ventricles to enlarge, but the pressure of the fluid stays within a typical range It can affect walking, memory and bladder control Hydrocephalus ex vacuo This type happens after brain tissue is lost, often due to a stroke, head injury or another condition
Low blood pressure (hypotension) - Symptoms and causes What's considered low blood pressure for one person might be OK for someone else though Low blood pressure might cause no symptoms that you notice Or it might cause dizziness and fainting Sometimes, low blood pressure can be life-threatening The causes of low blood pressure include dehydration and other serious medical conditions It's important to find out what's causing low blood
Back pain during pregnancy: 7 tips for relief - Mayo Clinic Back pain during pregnancy isn't surprising, but it still deserves attention Try seven ways to relieve back pain during pregnancy — from good posture and physical activity to complementary therapies