1962
DOI: 10.1161/01.cir.25.5.841
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Studies on Starling's Law of the Heart

Abstract: The applicability of Starling's law of the heart to the circulation of intact human subjects was studied by means of serial biplane angiocardiography utilizing injections into the left ventricle in nine patients, four of whom were unanesthetized. The end-diastolic and end-systolic volumes of the left ventricle were determined from the angiocardiograms by the method described by Dodge, and stroke volumes were calculated by subtracting the end-systolic from the end-diastolic volumes. In four patients large beat-… Show more

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Cited by 103 publications
(8 citation statements)
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“…Mechanical activity was investigated by measuring the developed left ventricular isovolumetric systolic pressure (LVISP). To evaluate contractility, the rate of LVISP increase (dP/dt) was used because LVISP is highly sensitive to changes in contractility ( 14 ). These parameters were measured with a pressure transducer (TSD104A pressure transducer coupled to a DA100C amplifier) connected to a data acquisition system (BIOPAC MP100WSW, including the AcqKnowledge III software, USA).…”
Section: Methodsmentioning
confidence: 99%
“…Mechanical activity was investigated by measuring the developed left ventricular isovolumetric systolic pressure (LVISP). To evaluate contractility, the rate of LVISP increase (dP/dt) was used because LVISP is highly sensitive to changes in contractility ( 14 ). These parameters were measured with a pressure transducer (TSD104A pressure transducer coupled to a DA100C amplifier) connected to a data acquisition system (BIOPAC MP100WSW, including the AcqKnowledge III software, USA).…”
Section: Methodsmentioning
confidence: 99%
“…However, pulsus alternans has also been observed in patients with cardiomyopathies of a variety of etiologies, including hypertrophic cardiomyopathy.6i1 Although pulsus alternans is attributed to a rhythmic alternation in stroke volume ejected by the left ventricle, the mechanism of this phenomenon has been controversial. [11][12][13][14][15][16][17] Several studies in animals and humans suggest an alternating contractile state of the myocardium between strong and From the Cardiovascular Diagnosis Section, Cardiology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD.…”
mentioning
confidence: 99%
“…Οί έρευνηταί ούτοι, αυξάνον τες τήν πίεσιν πληρώσεως του αριστερού κόλπου, είχον ώς αποτέλεσμα έξαφάνισιν τής εναλλαγής, άνευ ουδεμιάς μεταβολής τής συχνότητος. Οί Gleason καί Braunwald 19 έμελέτησαν άγγειοκαρδιογραφικώς σειράν ασθε νών, οί όποιοι παρουσίαζον Ε.Σ. Ούτοι εύρον μεταβολάς άπό συστολής είς συστολήν τοΰ τελοδιαστολικοΰ όγκου τής αριστεράς κοιλίας.…”
Section: αίμοδυναμικοί παράγοντεςunclassified
“…Ούτως, Ε.Σ., έχει διαπιστωθή έπί υπερτάσεως, 11 αορτικής στενώσεως 19 23 24 καί ιδιοπαθούς ύποβαλβιδικής αορτικής στενώ σεως. 19 'Εξ άλλου, είς πειράματα έπί κυνών, άλλοι έρευνηταί έπετύγχανον έναλλαγήν, διατηροϋντες σταθερόν τό προφόρτιον καί τήν συχνότητα, διά μόνης αυξήσεως του μεταφορτίου. 21 Προς τούτοις επί πειραματικώς προκληθείσης εναλλαγής έπί κυνών διά μεθοξαμίνης 25 -αΰξησις άντιστάσεωνή εναλλαγή ήρετο διά φαρμάκων αγγειοδιασταλτικών ώς νιτρογλυκερίνης ή ίσταμίνης ώς επίσης καί κατόπιν προκλήσεως αιμορραγίας εκ τίνος μεγάλου αγγείου.…”
Section: αίμοδυναμικοί παράγοντεςunclassified
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