41 wiggers diagram aortic regurgitation
May 10, 2018 · findings of aortic insufficiency consisting of a wide .. Diagram of the ascending and descending aorta illustrating . Stewart10 and later Wiggers and Green Aortic insufficiency (AI), also known as aortic regurgitation (AR), is the leaking of the aortic valve of the heart that causes blood to flow in the reverse direction. The cardiac cycle - The “Wiggers diagram” Prof. J Swanevelder 4 - 2 The cardiac cycle can be examined in detail by considering the ECG trace, intracardiac pressure and volume curves, and heart valve function. Fig. 1 The “Wiggers Diagram” - Cardiac cycle, showing ventricular volume, ventricular pressure, aortic pressure and atrial pressure A typical Wiggers diagram is shown in Fig. 1. Fig. 1. The Wiggers diagram. From top to bottom, the lines show: 1) aortic pressure, 2) ventricular pressure, 3) atrial pressure, 4) electrocardiogram, 5) mitral and aortic valve opening and closing, and 6) heart sounds. The y -axes vary, but all share a common x ...