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Updated: Jun 10, 2026
10:33
Assessment of Right Ventricular Structure and Function in Mouse Model of Pulmonary Artery Constriction by Transthoracic Echocardiography
Published on: February 3, 2014
Pulmonary artery pressure estimation by Doppler and two-dimensional echocardiography
1Division of Cardiology, University of California, San Francisco.
Cardiology Clinics
|May 1, 1990
Summary
Doppler ultrasound reliably assesses right-heart hemodynamics using functional regurgitant jets. Advancements in contrast agents may improve accuracy and enable left-heart hemodynamic assessment.
Area of Science:
- Cardiology
- Medical Imaging
- Hemodynamics
Background:
- Right-heart catheterization is invasive.
- Echocardiography is widely available for cardiac ultrasound.
- Functional regurgitant jets are common in cardiac ultrasound.
Purpose of the Study:
- To highlight the utility of Doppler ultrasound for right-heart hemodynamics.
- To explore the potential of Doppler echocardiography in cardiac diagnostics.
- To discuss future advancements in hemodynamic assessment.
Main Methods:
- Utilizing Doppler echocardiography.
- Leveraging functional regurgitant jets for measurements.
- Exploring the role of ultrasound contrast agents.
Main Results:
- Doppler ultrasound is a powerful and reliable method for assessing right-heart hemodynamics.
- The technique can extend catheterization benefits to most patients undergoing cardiac ultrasound.
- Potential for enhanced accuracy and left-heart hemodynamic determination with contrast agents.
Conclusions:
- Doppler echocardiography offers a non-invasive, reliable approach to right-heart hemodynamic assessment.
- Future developments in contrast agents promise expanded applications in cardiac diagnostics.
- This technique enhances the diagnostic value of routine cardiac ultrasound examinations.
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The Brachial Artery: Primary Site for Blood Pressure Measurement
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01:30Equipments Used To Measure Blood Pressure
Direct Method
This invasive approach involves cannulating a peripheral artery. During each cardiac contraction, pressure generates mechanical motion within the catheter, transmitted through rigid, fluid-filled tubing to a transducer. This transducer converts mechanical motion into electrical signals displayed as waveforms on a monitor. An automatic flushing system prevents blood backflow. Due to the potential risk of unexpected arterial blood loss, this method is primarily used in intensive...
This invasive approach involves cannulating a peripheral artery. During each cardiac contraction, pressure generates mechanical motion within the catheter, transmitted through rigid, fluid-filled tubing to a transducer. This transducer converts mechanical motion into electrical signals displayed as waveforms on a monitor. An automatic flushing system prevents blood backflow. Due to the potential risk of unexpected arterial blood loss, this method is primarily used in intensive...
01:19Assessing Blood pressure using a doppler ultrasound
To obtain accurate blood pressure measurements in clinical settings, especially when traditional methods are insufficient, healthcare professionals utilize the Doppler ultrasound technique. This method uses high-frequency sound waves to detect blood flow within the arteries, which is crucial for patients with conditions that complicate circulatory system assessment.
Pre-Procedural Guidelines for Doppler Ultrasound Blood Pressure Assessment:
Preparation of Equipment:
Pre-Procedural Guidelines for Doppler Ultrasound Blood Pressure Assessment:
Preparation of Equipment: