Mitral regurgitation

MITRAL VALVE REGURGITATION

1. MITRAL REGURGITATION – PATHOPHYSIOLOGY Dr Kunwar Sidharth VMMC & SJH

2. DEFINITION Defined as abnormal reversal of blood from LV  LA Caused by disruption in any part of the mitral valve apparatus. Can be divided into 3 stages – Acute Chronic compensated Chronic decompensated

3. MR ETIOLOGY PRIMARY – “ VALVE MAKES THE HEART SICK” SECONDARY – “HEART MAKES THE VALVE SICK “

4. MR ETIOLOGY

5. MR ETIOLOGY ACUTE MR PAPILLARY MUSCLE DYSFUNCTION – USUALY 2-7 DAYS AFTER MI CHORDAE TENDINAE RUPTURE CHRONIC MR

6. MYXOMATOUS DEGENERATION MITRAL VALVE COMPOSED OF – ZONA SPOGIOSA – OUTER SPONGY LAYER ZONA FIBROSA – INNER FIBROUS LAYER IN THIS, THE FIBROUS LAYER BECOMES WEAK

7. NEUROHORMONAL MALADAPTIVE RESPONSES

8. SIGNS AND SYMPTOMS

9. MURMURS

10. Murmurs

11. 2D ECHO INDICATIONS – ALL DIASTOLIC MURMURS FOR SYSTOLIC MURMUR GRADE 3-6

12. TREATMENT MEDICAL SURGICAL – REPAIR REPLACEMENT

13. TO BE CONTINUED WITH CASE PRESENTATION HISTORY TAKING GENERAL EXAMINATION 2D ECHO RECORDINGS ECG CHANGES CRITERIA FOR SURGICAL INTERVENTION.

14. THANKS