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Biomedical subjects

M Mazzari

Publications and source records attributed to M Mazzari.

35 records · Page 2Linked to original sources
PubMed1980

[The hemodynamic effects of nifedipine in congestive cardiomyopathy (author's transl)].

The Authors present the haemodynamic effects of nifedipina (Adalat-Bayer) in nine patients with congestive cardiomyopathy. Heart rate (HR), systemic vascular resistances (SVR) and mean aortic blood pressure (MABP) were significantly modified in all nine patients following the administration of the drug. Six of them showed an increase of cardiac index (CI) and a decrease of myocardial oxygen consumption (MVO2); three of them presented a decrease of CI and an increase of MVO2. This discrepancy can be due to the different percentage of increase and to the maximal of valves of HR in the two groups. Nifedipina can be useful in the treatment of congestive cardiomyopathy with elevated STR (afterload) and peripheral hypoperfusion (more than pulmonary congestion).

Adolescent↗
PubMed1978

[Effect of potassium chloride on myocardial stimulation threshold and correlated electrophysiologic parameters (author's transl)].

The influence of KCl on different electrophysiologic parameters and myocardial stimulation threshold (MST) are considered in 9 patients with cardiac pacemaker. Reduction of MST during the diastolic period and the supernormal phase of excitability (SNP), depression of automaticity and slight bradycardia have been observed. The Authors, on the basis of kaliemia values and electrophysiologic parameters, emphasize the improvement of myocardial responsiveness when kaliemia does not exceed 6.5 mEq/l. The electrophysiologic effects of KCl are compared with those obtained in vitro on the transmembrane potential. Therapeutic effects for the treatment of arrhythmias and exit block in patients with cardiac pacemakers are considered.

Action Potentials↗