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Welcome to the NHLBI’s Health Topics Web site. The NHLBI developed this site for patients, caregivers, and the public.

Health Topics provides science-based, plain-language information related to heart, lung, and blood diseases and conditions and sleep disorders. The site contains articles on diseases, conditions, tests, procedures, and other relevant topics, which you can e-mail, print, and share.

New topics will be added regularly.


Click here to browse health topics by category.

A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  R  S  T  U  V  W  X  Y  Z 


A

Alpha-1 Antitrypsin Deficiency
Anemia  (en Español)
Aneurysm Abdominal, Aortic, Cerebral, Peripheral
Angina Angina Pectoris, chest pain (en Español)
Antiphospholipid Antibody Syndrome Anticardiolipin Antibody Syndrome, Hughes Syndrome, Lupus Anticoagulant Syndrome
Aplastic Anemia  Videos
ARDS Acute Respiratory Distress Syndrome
Arrhythmia Wolff-Parkinson-White Syndrome  (en Español)


B


C

Clinical Trials  Videos
Congenital Heart Defects Congenital Heart Disease, Heart Defects Videos
COPD Chronic Obstructive Pulmonary Disease, Chronic Bronchitis, Emphysema (en Español) Videos Widget Quiz
Coronary Angiography Angiogram
Coronary Angioplasty Balloon Angioplasty, Percutaneous Coronary Intervention (en Español)
Coronary Artery Bypass Grafting Bypass Surgery, Heart Bypass Surgery
Coronary Calcium Scan
Coronary Heart Disease Coronary Artery Disease (en Español) Videos
Coronary Heart Disease Risk Factors  Videos
Coronary Microvascular Disease Cardiac Syndrome X, Nonobstructive Coronary Heart Disease Videos
Cough
CPAP
Cystic Fibrosis


D


E

Excessive Blood Clotting Hypercoagulation, Thrombophilia


F


H

Hemophilia  (en Español)
High Blood Cholesterol  Videos
High Blood Pressure Hypertension (en Español) Videos
Holes in the Heart Congenital Heart Defects, Atrial Septal Defect, Ventricular Septal Defect, ASD, VSD
Holter and Event Monitors Ambulatory EKG or ECC, Continuous EKG or ECG
How the Heart Works
How the Lungs Work
Hypersensitivity Pneumonitis
Hypotension Low Blood Pressure


I

Idiopathic Pulmonary Fibrosis Pulmonary Fibrosis
Immune Thrombocytopenia Immune Thrombocytopenic Purpura, Idiopathic Thrombocytopenic Purpura
Implantable Cardioverter Defibrillators


K


L

LAM Lymphangioleiomyomatosis
Long QT Syndrome
Lung Function Tests Lung Function Tests, Pulmonary Function Tests
Lung Transplant

Lung Ventilation/Perfusion Scan VQ Scan, Pulmonary VQ Scan
Lymphocytopenia Lymphopenia


M


N

Narcolepsy  Videos
Nuclear Heart Scan Nuclear Stress Test


O


P


R


S


T


V

Last Updated: April 23, 2014

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