Anterolateral head of lateral papillary muscle of left ventricle
Caput anterolaterale musculi papillaris lateralis · Anterolaterální hlava bočního papilárního svalu levé komory
Muscles
Looks like
One of the heads into which the anterolateral papillary muscle of the left ventricle often divides.
What it does
Sends tendon cords to both mitral valve flaps, sharing the work of holding them closed.
Keeping it well
Rupture after a heart attack causes sudden severe valve leakage and needs emergency surgery.
Related conditions
- 22q11.2 deletion syndrome (DiGeorge)
- Aortic stenosis
- Atrial flutter
- Botulism
- 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)
- Fibromyalgia
- Frailty & falls in older age
- Friedreich's ataxia
- Heart failure
- Heat exhaustion & heatstroke
- Hypertrophic cardiomyopathy
- Hypothermia & frostbite
- Kawasaki disease
- Long QT syndrome
- Malnutrition & refeeding syndrome
- Muscular dystrophy
- Myocarditis
- Orthostatic hypotension & POTS
- Panic disorder
- Pericardial effusion & tamponade
- Pericarditis
- Polymyalgia rheumatica
- Rhabdomyolysis
- Sarcoma
- Sarcopenia
- Shock (circulatory failure)
- Sudden cardiac arrest
- Sudden infant death syndrome
- Supraventricular tachycardia
- Takotsubo (stress) cardiomyopathy
- Tetanus
- Tuberous sclerosis complex
- Wolff–Parkinson–White syndrome