[Dynamic behavior of the arterial pressure during ergometry. Effects of treatment with vasodilators (prazosin) versus beta blockers (atenolol) in hypertensive patients].
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On 77 patients was performed a comparative examination of load ECG on the bicycle ergometer and isolated atrial stimulation for the diagnosis of an ischaemic heart disease. With 80.5% in the estimation of the two methods with regard to the correct diagnostic classification in relation to the number of patients in the random test a good accordance is the result. With the two methods nearly identical results can be yielded and as to small number of patients with clear indication even an supplementation of the provokation tests performed up to now can be spoken of, since additional diagnostic references to an ischaemic heart disease are possible. But the isolated atrial stimulation cannot supersede the usual load ECG in the diagnostics of the ischaemic heart disease an account of the great methodical expenditure.
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The staging of pregnant women with heart disease into four groups according to the recommendations of the New York Heart Association (NYHA) cannot express exactly the danger of sudden cardiac deterioration threatening these patients during gestation.--This classification is a subjective one, depending on the complaints of the patients only.--About 100 women with different heart diseases have been tested by ergometric bicycle work during pregnancy. The results have been used for classification according to the NYHA scheme.--The functional endurance capacity tested by bicycle work is a rather objective method. It allows to differentiate between stage II and III (NYHA) exactly. This decision has to be made often in the treatment of pregnant women with heart failure, but it remains uncertain, if only complaints and clinical state can be made use of.
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