1. Soyeur D (1986) Hemodynamic consequences of cardiac arrhythmias. In: A Medical management of cardiac arrhythmias. Churchill Livingstone, London, p 26
2. DeMaria AN, Mason DT (1977) Echocardiographic evaluation of disturbances of cardiac rhythm and conduction. Chest 71: 439
3. Feigenbaum M (1981) Echocardiography, 3rd edn. Lea and Febiger, Philadelphia, p 222
4. Rasmussen S, Corya BC, Lovelavce E, Black MJ, Phillips JF (1979) Forward stroke volume derived from aortic valve echogram. Clinical Research 27: 672A
5. Lalani AV, Lee SJK (1976) Echocardiographic measurement of cardiac output using the mitral valve and aortic root echo. Circulation 54: 738