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Mackenzie Tweardy

Mackenzie Tweardy

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7
Publications
835
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65
Citations

Publications

Publications (7)
Article
Full-text available
Introduction: Little is known if, and to what extent, outpatient red blood cell (RBC) transfusions benefit chronic transfusion-dependent patients. Costs, labour, and potential side effects of RBC transfusions cause a restrictive transfusion strategy to be the standard of care. However, effects on the actual performance and quality of life of patie...
Article
Full-text available
Mounting clinical evidence suggests that viral infections can lead to detectable changes in an individual's normal physiologic and behavioral metrics, including heart and respiration rates, heart rate variability, temperature, activity, and sleep prior to symptom onset, potentially even in asymptomatic individuals. While the ability of wearable dev...
Article
Full-text available
The COVID-19 pandemic has accelerated the adoption of innovative healthcare methods, including remote patient monitoring. In the setting of limited healthcare resources, outpatient management of individuals newly diagnosed with COVID-19 was commonly implemented, some taking advantage of various personal health technologies, but only rarely using a...
Conference Paper
Photoplethysmography (PPG) is a non-invasive and economical technique to extract vital signs of the human body. Although it has been widely used in consumer and research grade wrist devices to track a user's physiology, the PPG signal is very sensitive to motion which can corrupt the signal's quality. Existing Motion Artifact (MA) reduction techniq...
Preprint
Full-text available
Photoplethysmography (PPG) is a non-invasive and economical technique to extract vital signs of the human body. Although it has been widely used in consumer and research grade wrist devices to track a user's physiology, the PPG signal is very sensitive to motion which can corrupt the signal's quality. Existing Motion Artifact (MA) reduction techniq...
Preprint
BACKGROUND Little is known if and to what extent outpatient RBC transfusions benefit chronic transfusion dependent patients. Costs, labour, and small but remaining side effects of RBC transfusions cause restrictive transfusions strategy to be the standard of care. However, the actual performance and quality of life of patients who require RBC’s on...
Article
Microelectromechanical resonators enable the sensitive and inexpensive detection of biological molecules associated with specific diseases, infections, or other medical conditions that are commonly referred to as biomarkers. The focus of this effort is the detection of s100 $\beta$ , a protein biomarker that is secreted in relatively high concentra...

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