Dynascope ds 3140

Manufactured by Fukuda Denshi

Sourced in Japan

The DynaScope DS-3140 is a diagnostic medical device manufactured by Fukuda Denshi. It is designed to monitor and display various physiological signals, including electrocardiogram (ECG), respiration, and temperature. The device provides accurate and reliable data to healthcare professionals for medical assessment and patient monitoring purposes.

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Lab products found in correlation

Finometer, by Finapres Medical Systems (4 mentions) Beatscope 1, by Finapres Medical Systems (3 mentions) Bagnoli 2 emg system, by Delsys (1 mentions) Mobile aeromonitor ae 100i, by Minato Medical Science (1 mentions)

Spelling variants of this product

DynaScope (3 citations)

5 protocols using dynascope ds 3140

Hemodynamic and Muscle Activity Monitoring

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An electrocardiogram (ECG) was monitored with a telemetry system (DynaScope DS‐3140; Fukuda Denshi, Tokyo, Japan). Arterial blood pressure (AP) was noninvasively and continuously measured with a Finometer^® (Finapres Medical Systems BV, Arnhem, the Netherlands), whose cuff was attached to the left middle finger. The AP waveform was sampled at a frequency of 200 Hz. The beat‐to‐beat values of systolic, diastolic, and MAP and heart rate (HR) were obtained throughout the experiments. Simultaneously, the beat‐to‐beat values of cardiac output (CO), stroke volume (SV), and total peripheral resistance (TPR) were calculated from the aortic pressure waveform using a Modelflow^® software (BeatScope 1.1; Finapres Medical Systems BV, Arnhem, the Netherlands). The reliability of the CO measurement using the Modelflow^® has been confirmed previously (van Lieshout et al. 2003 (link); Matsukawa et al. 2004 (link); Tam et al. 2004 (link)).
Electromyogram (EMG) activity of the VL muscle was bilaterally measured using a pair of silver‐bar electrodes attached on the central portion of the muscle belly (Bagnoli‐2 EMG System, Delsys, Boston, MA). The EMG signals were amplified (×10,000) and passed through a bandpass filter between 20 and 2000 Hz.

Ishii K., Matsukawa K., Liang N., Endo K., Idesako M., Hamada H., Kataoka T., Ueno K., Watanabe T, & Takahashi M. (2014). Differential contribution of ACh‐muscarinic and β‐adrenergic receptors to vasodilatation in noncontracting muscle during voluntary one‐legged exercise. Physiological Reports, 2(11), e12202.

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Multisite Skin Blood Flow Monitoring

Cited 1 time

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Forehead, cheek, and hand skin blood flow were recorded with laser Doppler flowmetry as reported previously^{29 (link)}. Doppler flow probes were placed on the middle of the forehead, the left cheek, and the dorsum of the right hand. Electrocardiogram (ECG) and respiratory movement were monitored with a telemetry system (DynaScope DS-3140, Fukuda Denshi, Tokyo, Japan). AP was noninvasively measured with a Finometer (Finapres Medical Systems BV, Arnhem, the Netherlands), whose cuff was attached to the left middle or index finger. The beat-to-beat values of MAP, CO, SV, and TPR were calculated from the aortic pressure waveform by using a Modelflow® software as reported previously^{28 (link),29 (link)}. The cardiovascular variables and Doppler skin blood flow were stored to computers at a sampling frequency of 1 kHz as reported previously^{29 (link)}.

Matsukawa K., Asahara R., Yoshikawa M, & Endo K. (2018). Deactivation of the prefrontal cortex during exposure to pleasantly-charged emotional challenge. Scientific Reports, 8, 14540.

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Maximal Exercise Testing for Peak VO2

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All participants performed an incremental maximal exercise test using a bicycle ergometer (Ergometer 232CXL; Combi Corporation, Tokyo, Japan) to determine the peak oxygen uptake (peak

\dot{V}

O₂). The exercise test started with 2 minutes of rest, followed by 2 minutes of warm-up at 20 W; subsequently, the power output was increased by 20 W/min until maximal exertion was reached. Participants pedaled at a constant rate of 50 rpm. The oxygen uptake was measured by a breath-by-breath gas analyzer (Mobile Aeromonitor AE-100i; Minato Medical Science Co., Ltd., Osaka, Japan). The electrocardiograph (ECG) was continuously monitored using ECG monitors (Dyna Scope DS-3140; Fukuda Denshi Co., Ltd., Tokyo, Japan).

Namba H., Hamada H., Kimura T., Sekikawa K., Kamikawa N., Ishio-Ueoka H., Kajiwara T., Sato Y.M., Aizawa F, & Yoshida T. (2022). Effects of L-arginine on impaired blood fluidity after high-intensity exercise: An in vitro evaluation. Clinical Hemorheology and Microcirculation, 82(1), 1-12.

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Cardiovascular Responses to Emotional Films

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The cardiovascular responses during exposures to emotionally charged movies were examined in 13 of the 14 subjects. A pair of electrodes (Magnerode, TE‐18M‐3, Fukuda Denshi, Tokyo, Japan) and a ground electrode were attached on the chest for measuring electrocardiogram (ECG). The ECG signal and respiratory movement were monitored with a telemetry system (DynaScope DS‐3140, Fukuda Denshi, Tokyo, Japan). AP was noninvasively and continuously measured with a Finometer (Finapres Medical Systems BV, Arnhem, the Netherlands), of which a cuff was attached to the left middle or index finger. The AP waveform was sampled at a frequency of 200 Hz. The beat‐to‐beat values of mean AP (MAP), HR, cardiac output (CO), stroke volume (SV), and total peripheral resistance (TPR) were calculated from the aortic pressure waveform by using a Modelflow software (BeatScope 1.1, Finapres Medical Systems BV, Arnhem, the Netherlands).

Matsukawa K., Endo K., Asahara R., Yoshikawa M., Kusunoki S, & Ishida T. (2017). Prefrontal oxygenation correlates to the responses in facial skin blood flows during exposure to pleasantly charged movie. Physiological Reports, 5(21), e13488.

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Comprehensive Cardiovascular and Muscle Monitoring

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An electrocardiogram (ECG) was monitored with a telemetry system (DynaScope DS‐3140, Fukuda Denshi, Tokyo, Japan). Arterial blood pressure (AP) was noninvasively and continuously measured with a Finometer^® (Finapres Medical Systems BV, Arnhem, the Netherlands), whose cuff was attached to the left middle or index finger. The AP waveform was sampled at a frequency of 200 Hz. The beat‐to‐beat values of mean AP (MAP) and heart rate (HR) were obtained throughout the experiments. Simultaneously, the beat‐to‐beat values of cardiac output (CO), stroke volume (SV), and total peripheral resistance (TPR) were calculated from aortic pressure waveform by using a Modelflow^® software (BeatScope 1.1, Finapres Medical Systems BV, Arnhem, the Netherlands).
Electromyogram (EMG) activity of the non‐contracting arm muscles was measured using a pair of silver‐bar electrodes attached near the probes of NIRS (Bagnoli‐2 and 4 EMG Systems, Delsys, Boston, MA). EMG activity was also recorded in the contracting arm muscles in four subjects. The EMG signals were amplified (×10000) and passed through a bandpass filter between 20 and 2000 Hz.

Ishii K., Matsukawa K., Asahara R., Liang N., Endo K., Idesako M., Michioka K., Sasaki Y., Hamada H., Yamashita K., Watanabe T., Kataoka T, & Takahashi M. (2017). Central command increases muscular oxygenation of the non‐exercising arm at the early period of voluntary one‐armed cranking. Physiological Reports, 5(7), e13237.

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