THE INFLUENCE OF CATECHOLAMINES ON THE EARLY PHASE OF PLATEAU IN DOG'S VENTRICULAR MUSCLE FIBER ACTION POTENTIALS : PROCEEDINGS OF THE 35TH ANNUAL MEETlNG OF THE JAPANESE CIRCULATION SOCIETY (Part III)
スポンサーリンク
概要
- 論文の詳細を見る
- 社団法人日本循環器学会の論文
- 1971-12-20
著者
-
HIRAKAWA SENRI
Dept. of Intern. Med., Kyoto Univ. Hosp.
-
Hayase Shoji
Dept. of Intern. Med. Gifu Univ. School of Med.
-
Hirakawa Senri
Dept. Of Intern. Med. Gifu Univ. School Of Med.
-
Hayase Shoji
2nd Dept Of Intern. Med Gifu Univ. School Of Med.
-
Hirakawa Senri
岐阜大学 第2内科
-
Inagaki Takao
Dept. Of Med. 2 Gifu Univ. School Of Med
-
Hirakawa Senri
Dept. Of Med. 2 Gifu Univ. School Of Med
-
Hayase Shoji
Dept. Of Med. 2 Gifu Univ. School Of Med
関連論文
- -0059-CHARACTERISTICS OF RESTRICTION FRAGMENT LENGTH POLYMORPHISM OF APOLIPROTEIN IN REGARD TO CORONARY ARTERY DISEASE IN JAPANESE : A MULTICENTER STUDY
- STUDY ON LEFT ATRIAL CONTRACTILE PERFORMANCE : Participation of Frank-starling Mechanism
- PRESSURE-VOLUME RELATIONSHIPS IN THE PULMONARY "VENOUS" SYSTEM IN LIVING DOGS : The 49th Annual Scientific Session of the Japanese Circulation Society
- STUDY OF DIASTOLIC COMPLIANCE OF THE LEFT ATRIUM : COMPARISON WITH THAT OF THE LEFT VENTRICLE (SECOND REPORT) : Ventricular Function : PROCEEDINGS OF THE 50th ANNUAL SCIENTIFIC MEETING OF THE JAPANESE CIRCULATION SOCIETY
- PULMONARY VEIN BLOOD FLOW VELOCITY WAVEFORM : With Special Reference to Pulmonary "Systolic Runoff' in Patients with Atrial Septal Defect
- A QUANTITATIVE ANALYSIS OF RESERVOIR FUNCTION OF THE HUMAN PULMONARY "VENOUS" SYSTEM FOR THE LEFT VENTRICLE
- STUDY ON LEFT ATRIAL CONTRACTILE PERFORMANCE : PARTICIPATION OF FRANK-STARLING MECHANISM : Cardiac Function (III) : FREE COMMUNICATIONS (V) : PROCEEDINGS OF THE 49th ANNUAL SCIENTIFIC MEETING OF THE JAPANESE CIRCULATION SOCIETY
- STUDY OF DIASTOLIC COMPLIANCE OF THE LEFT ATRIUM : COMPARISON WITH THAT OF THE LEFT VENTRICLE (PRELIMINARY REPORT) : Cardiac Function (III) : FREE COMMUNICATIONS (V) : PROCEEDINGS OF THE 49th ANNUAL SCIENTIFIC MEETING OF THE JAPANESE CIRCULATION SOCIETY
- PULMONARY BLOOD VOLUME AND PULMONARY EXTRAVASCULAR WATER VOLUME IN MEN
- THE ESTIMATION OF PULMONARY BLOOD VOLUME AND PULMONARY EXTRAVASCULAR FLUID VOLUME BY THERMALDYE TECHNIC : THE RELATIONS BETWEEN THOSE VOLUMES AND INTRAVASCULAR PRESSURE : Pulmonary Circulation : I : 48 Annual Scientific Meeting, Japanese Circulation Socie
- -1213-VARIATIONS IN THE VENOUS RETURN CURVE WITH DOPAMINE AND DOBUTAMINE : THE 54th ANNUAL SCIENTIFIC MEETING OF THE JAPANESE CIRCULATION SOCIETY
- -1195-PHARMACOLOGICAL EFFECTS OF DOPAMINE ON THE SYSTEMIC VENOUS RETURN CURVE AND PULMONARY VENOUS RETURN CURVE : THE 54th ANNUAL SCIENTIFIC MEETING OF THE JAPANESE CIRCULATION SOCIETY
- -0672-CARDIAC OUTPUT CURVE OF RIGHT HEART AND SYSTEMIC VENOUS RETURN CURVE IN MAN
- -0385-PULMONARY CIRCULATION AS A LIMITING FACTOR OF CARDIAC RESERVE DURING EXERCISE
- -0175-THE DECREASED COMPLIANCE OF PULMONARY ARTERY AND PULMONARY "VENOUS" SYSTEM IN HYPERTENSIVES
- -0051-ROLE OF PULMONARY "VENOUS" SYSTEM AS A RESERVOIR FOR LEFT VENTRICLE DURING EXERCISE"
- EFFECTS OF VASODILATORS ON THE MEAN PULMONARY FILLING PRESSURE (Pmp) AND PULMONARY VENOUS RETURN CURVE (PVRC) : Pulmonary, Peripheral, Cerebral Circulation : 53 Annual Scientific Meeting, Japanese Circulation Society
- -410-A STUDY OF EARLY IMAGE AND DELAYED IMAGE OF THALLIUM-201 SINGLE PHOTON EMISSION COMPUTED TOMOGRAPHY (SPECT) AT REST IN PATIENTS WITH HYPERTROPHIC CARDIOMYOPATHY : Cardiomyopathy : FREE COMMUNICATIONS(II) : PROCEEDINGS OF THE 53th ANNUAL SCIENTIFIC ME
- -374-EFFECTIVE UNSTRESSED VOLUME OF THE HUMAN SYSTEMIC VEIN AND PULMONARY "VENOUS" SYSTEM, WITH SPECIAL REFERENCE TO THE EFFECT OF NITROGLYCERIN AND NIFEDIPINE : Cardiovascular Drugs : FREE COMMUNICATIONS(II) : PROCEEDINGS OF THE 53th ANNUAL SCIENTIFIC ME
- QUANTITATIVE ESTIMATION OF COMPLIANCE OF HUMAN SYSTEMIC VEINS BY OCCLUSION PLETHYSMOGRAPHY WITH RADIONUCLIDE : Methodology and the Effect of Nitroglycerin
- PREDICTABILITY OF LEFT HEART DYSFUNCTION FROM RIGHT HEART PERFORMANCE : Cardiac Index-Venous Pressure Plots and Cardiac Index-Mean Pulmonary Artery Wedge Pressure Plots at Rest and Their Shift During Dynamic Exercise
- -P230- PRESSURE-VOLUME RELATION IN THE PULMONARY "VENOUS" SYSTEM AS A PRELOAD OF THE LEFT VENTRICLE
- -157-ESTIMATION OF MEAN SYSTEMIC PRESSURE (Pms) AND EFFECTS OF NITROGLYCERIN ON ESTIMATED Pms IN HUMAN, A STUDY WITH RN-PLETHYSMOGRAPHY
- VOLUME-PRESSURE RELATIONS OF THE HUMAN PULMONARY "VENOUS" SYSTEM STUDIED BY RADIONUCLIDE ANGIOCARDIOGRAPHY AND PASSIVE LEG ELEVATION, WITH SPECIAL REFERENCE TO THE EFFECT OF NITROGLYCERIN
- INCREASE IN PLASMA NORADRENALINE CONCENTRATION AFTER THE ADMINISTRATION OF PHENTOLAMINE IN THE PATIENTS WITH "LATENT" LEFT-SIDED HEART FAILURE
- -367-INCREASED RIGHT ATRIAL EJECTION VOLUME IN PATIENTS WITH MYOCARDIAL INFARCTION : Ventricular Function : FREE COMMUNICATIONS(II) : PROCEEDINGS OF THE 53th ANNUAL SCIENTIFIC MEETING OF THE JAPANESE CIRCULATION SOCIETY
- -365-A STUDY ON RATIO OF PEAK FLOW VELOCITY IN ATRIAL CONTRACTION PHASE TO THAT IN RAPID FILLING PHASE FROM CINE LEFT VENTRICULOGRAPHY : Ventricular Function : FREE COMMUNICATIONS(II) : PROCEEDINGS OF THE 53th ANNUAL SCIENTIFIC MEETING OF THE JAPANESE CIR
- -364-AUGMENTATION OF LEFT ATRIAL CONTRACTION INCREASES LEFT ATRIAL FILLING RATE DURING VENTRICULAR SYSTOLE : Ventricular Function : FREE COMMUNICATIONS(II) : PROCEEDINGS OF THE 53th ANNUAL SCIENTIFIC MEETING OF THE JAPANESE CIRCULATION SOCIETY
- COMPLIANCE OF HUMAN PULMONARY "VENOUS" SYSTEM ESTIMATED FROM PULMONARY ARTERY WEDGE PRESSURE TRACINGS : Comparison with Pulmonary Arterial Compliance
- VALUE OF LEFT VENTRICULAR ISOVOLUMIC RELAXATION TIME TO ASSESS THE LEFT VENTRICULAR FUNCTION : Ventricular Function : PROCEEDINGS OF THE 50th ANNUAL SCIENTIFIC MEETING OF THE JAPANESE CIRCULATION SOCIETY
- FLUID VOLUME BALANCE BETWEEN PULMONARY INTRAVASCULAR SPACE AND EXTRAVASCULAR SPACE IN DOGS
- A PROBLEM INTRINSIC TO THE MEASUREMENTS OF THE PULMONARY EXTRAVASCULR WATER VOLUME BY THE THERMAL-DYE TECHNIC WITH THE SAMPLILNG SITE IN THE BIFURCATION OF THE AORTA : Thermal Equilibrium with the Aortic Wall
- STUDY ON THE EVALUATION OF THE RIGHTSIDED RCG WITH COLLIMATOR OF SMALL ORIFICE ("r-RCG") : IInd Auditorium : PROCEEDINGS OF THE 40TH ANNUAL MEETING OF THE JAPANESE CIRCULATION SOCIETY
- Non-invasive Estimation of the Human Pulmonary Blood Volume with Gamma Camera and RI-angiocardiography : The Present Status of Cordiovascular Nuclear Medicine
- Determination of the Left Ventricular Volume by Scinticamera : Basic Studies and Clinical Application : SYMPOSIUM ON EVALUATION OF CARDIAC FUNCTIONS THROUGH NON-INVASIVE TECHNIQUES
- EVALUATION OF THE SIGNIFICANCE OF SCINTILLATION ANGIOCARDIOGRAPHY FOR DETERMINATION OF THE LEFT VENTRICULAR VOLUME
- 32. A Study on the Conduction Pathways of the Excitation in Rabbit's Right Atrium under High Potassium Tyrode Perfusion, by means of Multiple Micro-suction Electrodes
- ROLE OF THE KININ-KALLIKREIN SYSTEM IN THE VASODILATOR ACTION OF AN ANGIOTENSIH CONVERTING ENZYME INHIBITOR (CAPTOPRIL) ON THE SYSTEMIC RESISTANCE AND CAPACITANCE VESSELS OF DOGS
- -1197-EFFECTS OF MILRINONE (MIL) ON SYSTEMIC CAPACITANCE VESSELS AND RIGHT VENTRICULAR OUTPUT CURVE, A STUDY BY MEASURING MEAN CIRCULATORY PRESSURE (MCP), EXTRA VOLUME (EV) AND COMPLIANCE (CV) OF SYSTEMIC CAPACITANCE VESSELS IN DOGS : THE 54th ANNUAL SCIE
- -1095-MECHANISMS OF THE DIFFERENTIAL VASODILATOR ACTION OF CAPTOPRIL ON DOG'S SYSTEMIC CAPACITANCE AND RESISTANCE VESSELS : THE 54th ANNUAL SCIENTIFIC MEETING OF THE JAPANESE CIRCULATION SOCIETY
- THE ROLE OF α_1 - AND α_2-ADRENOCEPTORS IN CANINE SYSTEMIC CAPACITANCE VESSELS : A Study with Measurement of Mean Circulatory Pressure
- DIFFERENTIAL VASODILATOR EFFECT OF NITROGLYCERIN ON SYSTEMIC CAPACITANCE AND RESISTANCE VESSELS IN ANESTHETIZED DOGS, AND THE MECHANISM OF ITS ACTION : A Study by Measuring Mean Circulatory Pressure and Total Peripheral Resistance
- EFFECTS OF FOUR Ca^-ANTAGONISTS ON THE SYSTEMIC CAPACITANCE VESSELS AND VENOUS RETURN CURVES IN DOGS : Cardiovascular Drugs (II) : V : 48 Annual Scientific Meeting, Japanese Circulation Society
- THE ESTIMATION OF THE SLOPE COMPLIANCE OF THE HUMAN PULMONARY "VENOUS" SYSTEM FROM THE PULMONARY ARTERIAL WEDGE PRESSURE TRACING : IVth Auditorium
- MODULATION OF NORADRENALINE RELEASE VIA ACTIVATION OF PRESYNAPTIC β-ADRENOCEPTORS IN RABBITS WITH ADRIAMYCIN-INDUCED CARDIOMYOPATHY
- Experimental Study on the Volume-pressure Relationship in the Pulmonary "Venous" System : English Summaries of Original Articles written in Japanese
- THE EFFECT OF NITROPRUSSIDE ON THE RESISTANCE AND CAPACITANCE BLOOD VESSELS. : A STUDY WITH THE MEASUREMENTS OF THE MEAN CIRCULATORY PRESSURE : IIIrd Auditorium
- EXPERIMENTAL STUDY OF VOLUME-PRESSURE RELATIONSHIP IN THE PULMONARY "VENOUS" SYSTEM: ESPECIALLY, COMPARING STATIC COMPLIANCE WITH DYNAMIC COMPLIANCE : IInd Auditorium : PROCEEDINGS OF THE 40TH ANNUAL MEETING OF THE JAPANESE CIRCULATION SOCIETY
- EXPERIMENTAL STUDIES ON THE EFFECTS OF ELECTRIC STIMULATION OF LEFT CARDIAC SYMPATHETIC NERVE ON HEMODYNAMICS, MYOCARDIAL METABOLISM AND ECG.
- INFLUENCE OF EPINEPHRINE, NOREPINEPHRINE AND ANGIOTENSIN-II ON ECG AND MYOCARDIAL METABOLISM, WITH SPECIAL REFERENCE TO THE EXTERNAL MECHANICAL EFFICIENCY AND EXCESS LACTATE : PROCEEDINGS OF THE 38TH ANNUAL MEETING OF THE JAPANESE CIRCULATION SOCIETY
- INFLUENCE OF THE VENOUS CONGESTION ON THE ARTERIO-VENOUS DIFFERENCE OF OSMOLALITY AND AN ATTEMPT AT THE IDENTIFICATION OF THE RESPONSIBLE CHEMICAL SUBSTANCES
- THE ROLE OF PLASMA CONJUGATED NORADRENALINE(NAc)IN PATIENTS WITH CARDIAC DISEASES : AN INVESTIGATION OF THE CONVERSION TO FREE FORM AND THE SITE OF DECONJUGATION
- "SENSITIVITY" OF α AND βRECEPTORS AND BAROREFLEX SENSITIVITY IN PATIENTS WITH BORDERLINE HYPERTENSION(BHT) : WITH SPECIAL REFFERENCE TO PLASMA ADRENALINE LEVEL
- EFFECTS OF ACUTE HEMORRHAGE AND VENOUS CONGESTION ON BLOOD-TISSUE EXCHANGE OF ~Na IN DOG'S HINDLIMBS : PROCEEDINGS OF THE 37TH ANNUAL MEETING OF THE JAPANESE CIRCULATION SOCIETY
- URINARY CATECHOLAMINES IN HEART DISEASES, WITH SPECIAL REFERENCE TO THE ARTERIO-VENOUS DIFFERENCE OF PLASMA OSMOLALITY AND "CARBOHYDRATE METABOLISM" : PROCEEDINGS OF THE 38TH ANNUAL MEETING OF THE JAPANESE CIRCULATION SOCIETY
- INFLUENCE OF FUSARIC ACID AND RESERPINE ON THE URINARY EXCRETION OF CATECHOLAMINES WITH SPECIAL REFERENCE TO THE TIME-COURSE-PATTERN
- -0798-ESTIMATION OF THE MECHANISMS OF ABNORMAL ELEVATION OF PERIPHERAL VENOUS PRESSURE DURING SUPINE DYNAMIC LEG EXERCISE IN PATIENTS WITH MILD LEFT HEART FAILURE
- -520-NEGATIVE FEED-BACK MECHANISM THROUGH α2-RECEPTORS AT THE SYMPATHETIC NERVE TERMINALS IN CONGESTIVE HEART FAILURE : AN INVESTIGATION FROM THE CHANGES OF PLASMA CATECHOLAMINE CONCENTRATION DUE TO PHENTOLAMINE (PH) INFUSION : Heart Failure : FREE COMMUN
- -392-MECHANISM OF THE SALUTARY EFFECTS OF PHENTOLAMINE (PH) ON THE PUMPING FUNCTION OF THE HEART ESTIMATED FROM CHANGES OF HEMODYNAMICS AND PLASMA CATECHOLAMINE (CA) CONCENTRATION IN PATIENTS WITH CONGESTIVE HEART FAILURE : PARTICIPATION OF α_2-RECEPTORS
- COMPARISON OF THE CARDIAC OUTPUT MEASUREMENTS WITH ELECTROMAGNETIC FLOWMETER AND DYE-DILUTION TECHNIQUE IN DOGS, WITH A NOTE ON THE COMPARISON BETWEEN RADIOCARDIOGRAPHY AND EAR-DYE METHOD IN MAN
- BASIC AND CLINICAL STUDIES ON BAY A 1040 WITH SPECIAL REFERENCE TO ITS INFLUENCE ON THE CORONARY, SYSTEMIC RESISTANCE AND CAPACITANCE BLOOD VESSELS
- THE ROLE OF CIRCULATING CATECHOLAMINE ON THE ARTERIO-VENOUS DIFFERENCE OF PLASMA OSMOLALITY AND ON THE BLOOD TISSUE EXCHANGE OF OSMOTIC SUBSTANCES IN HEMORRHAGIC HYPOTENSION
- EFFECTS OF ACUTE PULMONARY VENOUS CONGESTION ON PLASMA OSMOLAL AND BLOOD BICARBONATE CONCENTRATION DIFFERENCE BETWEEN LEFT AND RIGHT ATRIUM : PROCEEDINGS OF THE 38TH ANNUAL MEETING OF THE JAPANESE CIRCULATION SOCIETY
- ANALYSIS OF THE LEFT VENTRICULAR FUNCTION BY MEANS OF THE PULSESYNCHRANIZED SCINTIPHOTOCAMERA : PROCEEDINGS OF THE 37TH ANNUAL MEETING OF THE JAPANESE CIRCULATION SOCIETY
- Studies on the Relationship between Venous and Arterio-Venous Difference of Plasma Osmolality in Congestive Heart Failure
- INFLUENCE OF THE RESPONSE TIME ON MEAN TRANSIT TIME IN DYE-DILUTION SYSTEM : Pulmonary, Peripheral, Cerebral Circulation : 53 Annual Scientific Meeting, Japanese Circulation Society
- -344-ESTIMATION OF PULMONARY EXTRAVASCULAR WATER VOLUME WITH DOUBLE INDICATOR DILUTION METHOD, USING HEAT AND DYE : INFLUENCE OF RESPONSE TIME ON SHAPE OF INDICATOR DILUTION CURVE
- EXPERIMENTAL STUDIES OF Na TRANSPORT AMONG TISSUE, PLASMA AND RED BLOOD CELL IN ACUTE RENAL VENOUS CONGESTION, ACUTE LOCAL VENOUS CONGESTION IN LEGS AND ACUTE HEMORRHAGE : IIIrd Auditorium : PROCEEDINGS OF THE 40TH ANNUAL MEETING OF THE JAPANESE CIRCULATI
- EXPERIMENTAL STUDY OF INTRARENAL BLOOD FLOW DISTRIBUTION DURING ACUTE RENAL VENOUS CONGESTION : IIIrd Auditorium : PROCEEDINGS OF THE 40TH ANNUAL MEETING OF THE JAPANESE CIRCULATION SOCIETY
- EFFECT OF ACUTE CONTINUOUS AND INTERMITTENT RENAL VENOUS CONGESTION ON RENAL ARTERIOVENOUS PLASMA SODIUM CONCENTRATION DIFFERENCE IN DOGS : PROCEEDINGS OF THE 38TH ANNUAL MEETING OF THE JAPANESE CIRCULATION SOCIETY
- RENAL BALANCES OF OSMOTICALLY ACTIVE SUBSTANCES WITH SPECIAL REFERENCE TO SODIUM IN ACUTE HEMORRHAGE AND RENAL VENOUS CONGESTION : (Part III)
- DIFFERING ACTIONS OF ENDOTHELIN-1 ON CANINE SYSTEMIC RESISTANCE AND CAPACITANCE VESSELS
- THE MEAN CIRCULATORY PRESSURE, REPRODUCIBILITY OF ITS MEASUREMENTS AND THE EFFECT OF PHENYLEPHRINE WITH A NOTE ON THE EFFECT OF PENTOBARBITAL
- EFFECTS OF 'ANTIANGINAL AGENTS' ON CAPACITANCE-VESSELS OF DOGS STUDIED WITH THE MEASUREMENT OF THE MEAN CIRCULATORY FILLING PRESSURE : (Part II)
- INHIBITORY ACTION OF PROPRANOLOL AND ITS STEREOISOMERS ON EPINEPHRINE-INDUCED CHANGES IN ELECTROCARDIOGRAM
- EXPERIMENTAL STUDIES ON THE INFLUENCE OF PROPRANOLOL ON THE EPINEPHRINE-INDUCED ECG CHANGES : Proceedings of the 34th Annual Meeting of the Japanese Circulation Society (part III)
- EXPERIMENTAL STUDIES ON THE RELATIONSHIP BETWEEN THE ELEVATED VENOUS PRESSURE AND OSMOLAR A-V DIFFERENCE : Proceedings of the 34th Annual Meeting of the Japanese Circulation Society (Part II)
- THE INFLUENCE OF THE VENOUS PRESSURE RISE ON THE TRANSCAPILLARY EXCHANGE, AN ANALYSIS BY MEANS OF INDICATOR-DIFFUSION METHOD : Proceedings of the 34th Annual Meeting of the Japanese Circulation Society (Part II)
- EXPERIMENTAL STUDIES ON THE ROLE OF ALPHA- AND BETA-ADRENERGIC RECEPTORS IN THE PRODUCTION OF CHANGES IN ECG AND CORONARY ARTERIAL TONE
- THE INFLUENCE OF PROPRANOLOL ON THE CARDIAC MEMBRANE POTENTIALS OF DOG WITH OR WITHOUT RESERPINIZATION
- A STUDY ON THE ESTIMATION OF "PULMONARY BLOOD VOLUME" ("PBV") BY RADIOCARDIOGRAM (RCG)
- MEASUREMENTS OF THE LEFT VENTRICULAR END-DIASTOLIC AND END-SYSTOLIC VOLUME BY MEANS OF PULSE-SYNCHRONIZED SCINTIPHOTOCARDIOGRAPH
- RELATIONSHIP BETWEEN SYSTOLIC TIME INTERVALS AND LEFT VENTRICULAR VOLUMES MEASURED FROM SCINTILLATION CARDIOGRAPHY : PROCEEDINGS OF THE 38TH ANNUAL MEETING OF THE JAPANESE CIRCULATION SOCIETY
- 'RIGHT HEART FUNCTION' IN THE CHRONIC PULMONARY DISEASES-SIMULTANEOUS MEASUREMENTS OF THE CARDIAC OUTPUT AND CUBITAL VENOUS PRESSURE AT REST AND DURING MILD SUPINE LEG EXERCISE : PROCEEDINGS OF THE 38TH ANNUAL MEETING OF THE JAPANESE CIRCULATION SOCIETY
- EXPERIMENTAL STUDIES ON RENAL FUNCTIONS IN ACUTE RENAL VENOUS CONGESTION, WITH SPECIAL REFERENCE TO THE DIFFERENCE IN ELECTROLYTES AND OSMOLALITY BETWEEN RENAL ARTERIAL AND VENOUS BLOOD
- THE INFLUENCE OF CATECHOLAMINES ON THE EARLY PHASE OF PLATEAU IN DOG'S VENTRICULAR MUSCLE FIBER ACTION POTENTIALS : PROCEEDINGS OF THE 35TH ANNUAL MEETlNG OF THE JAPANESE CIRCULATION SOCIETY (Part III)
- EFFECTS OF ACUTE HEMORRHAGE ON THE ARTERIOVENOUS DIFFERENCE IN PLASMA OSMOLALITY
- DIFFUSION CAPACITY FOR ^Na AND ARTERIO-VENOUS DIFFERENCE OF PLASMA OSMOLALITY STUDIED DURING THE VENOUS PRESSURE RISE