The authors present a group of their first 110 patients subjected to selective coronarography during an average 7-hours hospitalization period. In selection of patients they respect the criteria ruling out the following approach: age above 70 years, distance of the patients domicile above 80 km or inaccessibility of catheterization laboratory within 45 minutes, serious aortic valve disease, unstable coronary syndromes , insulin treated diabetes mellitus, renal insufficiency, cardiac in- sufficiency, grade III or IV, severe left ventricular dysfunction, history of malignant arrhythmia, acute myocardial infarction or cerebrovascular attack during month preceding examination, co- ronary finding calling for urgent revascularization, complicated course of examination and men- tal inability of patient. All coronarographies were performed by a 4F catheterization instrument, no complications were recorded and readmission to hospital was not called for. An early check-up by telephone was accepted by half the patients. When all the above criteria are respected the authors recommend this procedure as a standard one without the need of hospital admission.

        Key words: Cardiac catheterization - Coronary artery disease - Coronary angiography.