An Improved Method for Detection of Carotid Walls in ARTSENS

Sahani, Ashish Kumar ;   Shah, Malay ;   Joseph, Jayaraj ;   Sivaprakasam, Mohanasankar

Tags Cardiovascular signal processingCardiovascular system modeling

We have been developing a fully automated ultrasound based imageless system to facilitate mass screening of patients for future risk of...

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Investigation of Pulse Transit Times Utilizing Multisite Reflectance Photoplethysmography under Conditions of Artificially Induced Peripheral Vasoconstriction

Budidha, Karthik ;   Kyriacou, Panayiotis

Tags Pulse transit timeVascular mechanicsPulse wave velocity

Pulse Transit Time (PTT) is the time it takes for an arterial pulsation to travel from the heart to a peripheral site. In recent times, PTT...

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Is There Opportunity for Automated Decision-Support and Closed-Loop Control in ICU Patients Receiving Vasopressor Infusion?

Bighamian, Ramin ;   Rubbo, Cal ;   Thorsen, Jill ;   Hahn, Jin-Oh ;   Reisner, Andrew

Tags Cardiopulmonary resuscitation - in the ICU and EMT settingsArterial pressure

Vasopressors are administered to critically ill patients suffering from a body-wide reduction in blood circulation. In theory, if the...

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Magnetic Plethysmograph Transducers for Local Blood Pulse Wave Velocity Measurement

PM, Nabeel ;   Joseph, Jayaraj ;   Sivaprakasam, Mohanasankar

Tags Pulse wave velocityPulse transit timeCardiovascular signal processing

We present the design of magnetic plethysmograph (MPG) transducers for detection of blood pulse waveform and evaluation of local pulse wave...

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Model-Based Oscillometric Blood Pressure Measurement: Preliminary Validation in Humans

Liu, Jiankun ;   Cheng, Hao-min ;   Chen, Chen-Huan ;   Sung, Shih-Hsien ;   Hahn, Jin-Oh ;   Mukkamala, Ramakrishna

Tags Arterial pressureHemodynamicsVascular mechanics

We conceived new oscillometric blood pressure (BP) estimation methods based on physical modeling. The crux of these methods is to...

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Numerical Assessment of the Stiffness Index

Epstein, Sally ;   Vergnaud, Anne-Claire ;   Elliott, Paul ;   Chowienczyk, Phil ;   Alastruey, Jordi

Tags Vascular mechanicsPulse wave velocityArterial pressure

Elevated systemic vascular stiffness is associated with increased cardiovascular risk. It has been suggested that the time difference between...

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