Anatom3DPosterior leaflet of mitral valve
Cuspis posterior valvae mitralis · Zadní cíp dvojcípé chlopně
Heart & arteries
Looks like
The narrower, scalloped back flap of the mitral valve, tied to the heart muscle by thin cords.
What it does
Meets the anterior leaflet to seal the valve with each beat.
Keeping it well
The most common site of prolapse or torn cords; a leaking valve can often be repaired surgically or with a catheter clip.
Related conditions
- 22q11.2 deletion syndrome (DiGeorge)
- Aortic stenosis
- 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
- Infective endocarditis
- 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
- Rheumatic fever & rheumatic heart disease
- Sepsis
- Shock (circulatory failure)
- Sudden cardiac arrest
- Sudden infant death syndrome
- Supraventricular tachycardia
- Takotsubo (stress) cardiomyopathy
- Tuberous sclerosis complex
- Valve disease (stenosis & regurgitation)
- Vasculitis (GCA & others)
- Wolff–Parkinson–White syndrome