Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
7 Cards in this Set
- Front
- Back
|
General |
• One or both leaflets of the valve are too large or the chordae tendinea are too long resulting in uneven closure of the valve during each heart beat • the valve bulges back or prolapse into the LA like a parachute allowing a very small amount of blood passing through • affects 5-20% of the general population, mainly women • with ECHO criteria only 2-3% affected mostly in their 20-40y |
|
|
Chordea tendinea |
The strings attached to the underside of the leaflets, connected to the ventricular wall |
|
|
Causes of MVP |
- unknown - inherited like Marfan syndrome (connective tissue disorder) - dysautonomia |
|
|
Symptoms of MVP |
•60% have no symptoms —> stressfull situations like childbirth/viral illness/job change can being symptoms like: - irregular palpitation (especially while lying on the left side) - chest pain (sharp, dull or pressing lasting from seconds to hours; usually related to miocardial ischemia - fatigue - dizziness - light-headedness when rising from a chair - shortness of breath - chronic fatigue syndrome |
|
|
Symptoms of dysautonomia |
- panic attacks - anxiety - fatigue - migraine - irritable bowel - depression 70% |
|
|
Phisical examination findings |
- midsystolic click - late systolic murmur —> These are position & heart volume dependent. Possible to miss if examined only in lying. |
|
|
Treatment of MVP |
• not specific • avoid competitive sports if definite click or murmur of significant mitral insufficiency • most ppl have minimal, if any, mitral insufficinecy • no diet restriction • avoid caffeine, alkohol if heart irregularities are present • maintain fluid intake • beta-blockers for palpitation • preventive antibiotics before dental or surgical procedures |
