Page 207 - Color Atlas Of Pathophysiology (S Silbernagl Et Al, Thieme 2000)

A. Causes and Consequences of Mitral Regurgitation
Valvar prolapse Coronary Marfan’s
Endocarditis
(Barlow) heart disease syndrome
Left atrium:
Left ventricle: distended
ischemia, fibrosis,
aneurysm Valve ring:
deformed, stiffened
Chordae:
too long, too short, Leaflets:
rupture shrunk, thickened,
stiffened, prolapsing
Papillary muscle:
fibrosis, rupture Mitral Regurgitation
Regurgitant
volume ECG P ‘mitrale’
mm
Hg
P Ao
100
Diastole Systole v P LV Plate 7.12
50 a P LA
Mitral regurgitation
ECG SM RFW
0
100 P Ao Chronic Acute
mm Heart sounds I II III IV
Hg 0 2 4 6 8 10
50 P LA v high Atrial compliance low Time (s) (after Criley)
P LV
a y
0 x SM RFW
Heart sounds I II III I Volume Atrial pressure ‘Forward’ CO
(P LA )
load
8
2
0
10
Time (s) 4 6 (after Criley)
Dsypnea, Systolic
hemoptysis pressure
Mitral
regurgitation
Atrial dilation
Pulmonary edema Tachycardia
Atrial damage
Ventricular Pulmonary Regurgitant
volume
Tachyarrhythmia dilation hypertension
Regurgitant Mitral regurgitation
volume Left heart Right heart
failure failure 197
Silbernagl/Lang, Color Atlas of Pathophysiology © 2000 Thieme
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