Medical knowledge map

Articles

Lab tests

What is ferritin and when is it checked

Ferritin can help assess iron stores, but it does not diagnose a condition by itself.

Conditions

High blood pressure: when it is dangerous

High readings need repeat measurement, risk assessment and urgent help when warning symptoms appear.

Medical entities

Lab test

Ferritin

A protein associated with iron stores. Results need clinical context and may change with inflammation.

Condition

Hypertension

Persistently elevated blood pressure that should be evaluated with a clinician.

Symptom

Headache

A common symptom; sudden severe pain or neurologic signs need urgent care.

Symptom

Chest pain

A symptom that can relate to heart, lung, esophagus or muscle causes; some cases need emergency care.

Organ

Heart

The organ that pumps blood and connects to pressure, rhythm and vascular risk.

Organ

Liver

An organ involved in metabolism, detoxification and protein synthesis; liver tests need clinical context.

Organ

Thyroid

An endocrine organ affecting metabolism; symptoms are often nonspecific.

Tumor marker

PSA

A prostate marker that is not a stand-alone cancer diagnosis.

Tumor marker

CA-125

A tumor marker that can rise in several conditions and should not be interpreted without a clinician.

Medicine

Metformin

A medicine; this site does not provide dosing or self-treatment instructions.