Anatom3DLeft atrium
Atrium sinistrum · Levá síň
Heart & arteries
Looks like
A smooth-walled chamber behind the heart, taking the four pulmonary veins.
What it does
Receives oxygen-rich blood from the lungs and fills the left ventricle.
Keeping it well
Blood pressure control; it stretches when the mitral valve leaks, and then fibrillates.
Its parts
Related conditions
- 22q11.2 deletion syndrome (DiGeorge)
- Aortic stenosis
- Atrial fibrillation
- Atrial flutter
- Cardiomyopathy (dilated, restrictive, arrhythmogenic)
- Chagas disease
- Congenital heart defects
- Coronary artery disease
- Diphtheria
- Down syndrome (trisomy 21)
- Eating disorders
- Extra heartbeats (ectopics and palpitations)
- Fainting (syncope)
- Friedreich's ataxia
- Heart failure
- High blood pressure
- High cholesterol
- Hypertrophic cardiomyopathy
- Hypothermia & frostbite
- Kawasaki disease
- Long QT syndrome
- Metabolic syndrome
- Myocarditis
- Orthostatic hypotension & POTS
- Panic disorder
- Pericardial effusion & tamponade
- Pericarditis
- Peripheral artery disease
- Phaeochromocytoma & hyperaldosteronism
- Pre-eclampsia
- Raynaud's phenomenon
- Sepsis
- Shock (circulatory failure)
- Sudden cardiac arrest
- Sudden infant death syndrome
- Supraventricular tachycardia
- Takotsubo (stress) cardiomyopathy
- Tuberous sclerosis complex
- Vasculitis (GCA & others)
- Wolff–Parkinson–White syndrome