Chase W. Zikmund

Association Between Early Prehospital Photoplethysmography Waveform Features and Subsequent Hemodynamic Changes in Trauma Patients

Sabrina Schmitz, Clifton W. Callaway, Francis Xavier Guyette, Christian Martin‐Gill et autres

INTRODUCTION: Following an acute traumatic insult, compensatory physiological mechanisms maintain the delivery of oxygen while also influencing the shape of photoplethysmography (PPG) waveforms. Few studies have investigated the utility of PPG waveforms captured in clinical settings in identifying patients in compensated shock. …

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A Machine Learning Trauma Triage Model for Critical Care Transport

Aaron C. Weidman, Salim Malakouti, David D. Salcido, Chase W. Zikmund et autres

Importance: Under austere prehospital conditions, rapid classification of injured patients for intervention or transport is essential for providing lifesaving care. Discerning which patients need care most urgently further allows for optimal allocation of limited resources. These triage processes are hindered by the …

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Initial Photoplethysmography Waveform Analysis in Predicting the Need for Life-saving Intervention in Adult Trauma Patients

Sabrina Schmitz, David D. Salcido, Clifton W. Callaway, Chase W. Zikmund et autres

Abstract RATIONALE: Trauma continues to account for significant morbidity, mortality, and healthcare expenditures. The identification of trauma patients who are compensating physiologically but need further intervention continues to be a challenge due to our reliance on vital signs and other inadequate markers …

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Evaluating the Impact of Helicopter Transport Interval in Patient Discharge Disposition for Interfacility Transfers With an Eye Toward Sustainability

Justin C Wang, Gina Pugliano McKernan, Dylan Morris, Ravi Kumar Patel et autres

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ASSOCIATIONS BETWEEN HEART RATE VARIABILITY AND NEED FOR LIFESAVING INTERVENTION IN A LARGE HELICOPTER EMS SERVICE

Dylan A. Defilippi, David D. Salcido, Chase W. Zikmund, Leonard S. Weiss et autres

ABSTRACT: Background : Heart rate variability (HRV) measures give insight into the autonomic regulation of cardiac function in healthy and critically ill patients. The ease and predictive potential of HRV measures may be valuable in optimizing prehospital triage. In this retrospective study, …

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Words to live by: Using medic impressions to identify the need for prehospital lifesaving interventions

Aaron C. Weidman, Zach Sedor‐Schiffhauer, Chase W. Zikmund, David D. Salcido et autres

BACKGROUND: Prehospital emergencies require providers to rapidly identify patients' medical condition and determine treatment needs. We tested whether medics' initial, written impressions of patient condition contain information that can help identify patients who require prehospital lifesaving interventions (LSI) prior to or during …

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Association of the Revised Trauma Score with Mortality and Prehospital LSI Among Trauma and Non-Trauma Patients

Dylan A. Defilippi, David D. Salcido, Chase W. Zikmund, Leonard S. Weiss et autres

OBJECTIVES: The combination of broad conditional applicability and ease of data collection make some general risk scores an attractive tool for clinical decision making under acute care conditions. To date, general risk scores have demonstrated moderate levels of accuracy for key outcomes, …

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Association Between Finger Plethysmographic Features and Impedance-Based Thoracic Fluid Content Measurement in a Lower Body Negative Pressure Model of Hemorrhagic Shock

Nina Lane, David D. Salcido, Chase W. Zikmund, Leonard S. Weiss et autres

INTRODUCTION: Timely identification of the need for lifesaving intervention in battlefield conditions may be improved through automated monitoring of the injured warfighter. Technologies that combine maximal noninvasive insight with minimal equipment footprint give the greatest opportunity for deployment at scale with inexperienced …

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Severity-Driven Trends in Mortality in a Large Regionalized Critical Care Transport Service

David D. Salcido, Chase W. Zikmund, Leonard S. Weiss, Andrew Schoenling et autres

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