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Blood, Heart and Circulation
Reviewed by Medicinsk Expert•Last updated: 2026-10-22•Blood Heart Circulation

Blood, Heart and Circulation

Explore comprehensive health topics related to the cardiovascular system, including conditions affecting arteries, veins, blood, and the heart.

Overview

This section covers a wide range of health topics related to the circulatory system. You can explore specific areas of interest below, categorized by the primary component of the system involved.

Major Categories

  • Arteries
  • Blood
  • Heart
  • Veins

Arterial Health Topics

Conditions and diseases affecting the arteries include:

  • Aneurysms
  • Aortic Aneurysm
  • Arteriovenous Malformations
  • Atherosclerosis
  • Blood Clots
  • Brain Aneurysm
  • Carotid Artery Disease
  • Diabetic Foot
  • Giant Cell Arteritis
  • High Blood Pressure
  • How to Prevent High Blood Pressure
  • Kawasaki Disease
  • Low Blood Pressure
  • Peripheral Arterial Disease
  • Raynaud Phenomenon
  • Shock
  • Stroke
  • Transient Ischemic Attack
  • Vascular Diseases
  • Vasculitis

Blood Health Topics

Disorders and conditions related to blood include:

  • Acute Lymphocytic Leukemia
  • Acute Myeloid Leukemia
  • Anemia
  • Aplastic Anemia
  • Atherosclerosis
  • Bleeding Disorders
  • Blood
  • Blood Count Tests
  • Blood Disorders
  • Blood Transfusion and Donation
  • Childhood Leukemia
  • Chronic Lymphocytic Leukemia
  • Chronic Myeloid Leukemia
  • Eosinophilic Disorders
  • Eosinophilic Esophagitis
  • Hemophilia
  • Hemorrhagic Stroke
  • Ischemic Stroke
  • Kawasaki Disease
  • Leukemia
  • Malaria
  • Platelet Disorders
  • Rh Incompatibility
  • Sickle Cell Disease
  • Thalassemia

Heart Health Topics

Conditions and treatments related to the heart include:

  • Angina
  • Angioplasty
  • Aortic Aneurysm
  • Arrhythmia
  • Atherosclerosis
  • Atrial Fibrillation
  • Cardiomyopathy
  • Chest Pain
  • Congenital Heart Defects
  • Coronary Artery Bypass Surgery
  • Coronary Artery Disease
  • Diabetic Heart Disease
  • Heart Attack
  • Heart Disease in Women
  • Heart Diseases
  • Heart Failure
  • Heart Health Tests
  • Heart Surgery
  • Heart Transplantation
  • Heart Valve Diseases
  • How to Prevent Heart Disease
  • Kawasaki Disease
  • Mitral Valve Prolapse
  • Pacemakers and Implantable Defibrillators
  • Pericardial Disorders
  • Shock

Vein Health Topics

Conditions affecting the veins include:

  • Arteriovenous Malformations
  • Blood Clots
  • Deep Vein Thrombosis
  • Diabetic Foot
  • Hemorrhagic Stroke
  • Ischemic Stroke
  • Kawasaki Disease
  • Peripheral Arterial Disease
  • Shock
  • Stroke
  • Varicose Veins
  • Vascular Diseases
  • Vasculitis

Common Terms and Cross-References

The following list includes common medical terms and abbreviations associated with blood, heart, and circulation topics, along with their primary references:

  • AAA / Abdominal Aortic Aneurysm / Aortic Dissection: See Aortic Aneurysm
  • ABO Blood Groups / Blood Cells: See Blood; Blood Count Tests
  • Acute Lymphoblastic Leukemia / ALL: See Acute Lymphocytic Leukemia
  • Acute Myeloblastic Leukemia / AML: See Acute Myeloid Leukemia
  • AF: See Atrial Fibrillation
  • Angiitis: See Vasculitis
  • Anti-Platelet Drugs / Anticoagulants: See Blood Thinners
  • Antihypertensive Medicines: See Blood Pressure Medicines
  • Aortic Stenosis: See Heart Valve Diseases
  • Arteriosclerosis: See Atherosclerosis
  • Arteriosclerosis of Extremities: See Peripheral Arterial Disease
  • Arteriosclerosis, Coronary / Atherosclerosis, Coronary / CAD: See Coronary Artery Disease
  • Automated External Defibrillators / Cardiac Arrest: See Sudden Cardiac Arrest
  • AVM: See Arteriovenous Malformations
  • Berry Aneurysm / Cerebral Aneurysm: See Brain Aneurysm
  • Blood Coagulation Disorders: See Bleeding Disorders; Hemophilia
  • Blood Donation: See Blood Transfusion and Donation
  • Blood Platelet Disorders: See Platelet Disorders
  • Blood Pressure: See High Blood Pressure; Low Blood Pressure
  • Blood Tests: See Blood Count Tests
  • Bradycardia: See Arrhythmia
  • Brain Attack: See Stroke
  • Brain Hemorrhage / Cerebral Hemorrhage: See Hemorrhagic Stroke
  • Bypass Surgery / CABG: See Coronary Artery Bypass Surgery
  • Cardiac Diseases: See Heart Diseases
  • Cardiac Failure / CHF: See Heart Failure
  • Cardiac Surgery: See Heart Surgery
  • Cardiac Test: See Heart Health Tests
  • Cardiopulmonary Resuscitation: See CPR
  • Cardiovascular Diseases: See Heart Diseases; Vascular Diseases
  • Carotid Endarterectomy: See Carotid Artery Disease; Ischemic Stroke
  • Cerebrovascular Disease: See Stroke
  • Chronic Granulocytic Leukemia / Chronic Myelogenous Leukemia: See Chronic Myeloid Leukemia
  • Churg-Strauss Syndrome: See Eosinophilic Disorders
  • Circulatory Disorders: See Heart Diseases; Vascular Diseases

Frequently Asked Questions

dopt the DASH diet (rich in fruits, vegetables, whole grains, low‑fat dairy, and reduced sodium < 1,500 mg/day), aim for 150 minutes of moderate aerobic exercise per week, limit alcohol to ≤2 drinks/day for men and ≤1 for women, and manage stress through techniques like deep breathing or yoga. Regular home BP monitoring helps track progress, and many patients see a 5–10 mm Hg reduction with these changes alone.
While many people treat varicose veins for appearance, they can lead to complications such as chronic venous insufficiency, skin discoloration, ulcer formation, or blood clots (superficial thrombophlebitis). If you experience pain, swelling, skin changes, or ulceration, discuss minimally invasive options (e.g., endovenous laser therapy) with a vascular specialist.
DVT often causes swelling, a feeling of heaviness, and pain that is constant or worsens when you stand, and the skin may appear reddish or warm. A muscle strain usually hurts only with movement, is localized, and does not cause noticeable swelling or discoloration. If you have any doubt, especially with risk factors like recent surgery or long travel, get a duplex ultrasound promptly.
Seek evaluation if you notice leg pain or cramping (claudication) that starts with walking and eases with rest, especially if it occurs after a short distance, or if you have non‑healing sores, cold feet, or a change in skin color. An ankle‑brachial index (ABI) test can confirm PAD; values < 0.90 indicate disease and merit treatment to prevent progression.
Source: MedlinePlus, National Library of Medicine

MedlinePlus brings together authoritative health information from the National Library of Medicine (NLM), the National Institutes of Health (NIH), and other government agencies and health-related organizations.

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