Application of Point-of-care Ultrasound in Rapid Assessment of Cardiac Arrest Patients

Study Overview
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Brief Summary
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To quickly assess the patient's cardiac function and structure through ultrasound

Detailed Description
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Monitor the peripheral arterial pulse and flow velocity, monitor the patient's lung and diaphragm muscle movement, monitor the patient's optic nerve sheath and cerebral blood flow, observe the morphology and blood flow of the liver and kidney and other parenchymal organs, Comprehensive evaluation of patient resuscitation quality. For patients with cardiac arrest undergoing Cardio Pulmonary Resuscitation (CPR), the above monitoring was completed by ultrasound, and compared with the parameters obtained by end-expiratory carbon dioxide (ETCO2) and compression feedback device, to evaluate the feasibility of ultrasound to evaluate the quality of CPR. After the reliability evaluation was completed, parameters were further used to guide CPR quality improvement through ultrasound, end-expiratory carbon dioxide (ETCO2), and compression feedback device.

Official Title
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Application of Point-of-care Ultrasound in Rapid Assessment of Cardiac Arrest Patients

Conditions
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Cardiac Arrest, Point-of-care Ultrasound, Cardiopulmonary Resuscitation

Intervention / Treatment
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* Diagnostic Test: Ultrasound


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Voluntarily participate and sign a written informed consent; Male or female above 18; Patients who are sent to the emergency room of our hospital with symptoms of cardiopulmonary resuscitation; Exclusion Criteria: There is trauma in the ultrasound examination site and it is not suitable for ultrasound examination; Entering the emergency room without vital signs for more than 30 minutes; The appearance of corpse corpses; There is life-threatening and irreversible damage; Other investigators consider it inappropriate and the patient or family member refuses;

Ages Eligible for Study
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Minimum Age: 18 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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No

Study Plan
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How is the study designed?
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Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Experimental: Ultrasound<br> | Diagnostic Test: Ultrasound<br>* Every time checking pulse, evaluate the carotid artery compressibility and blood flow of peripheral arteries by ultrasound，compared with EtCO2.<br>|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| The correlation between return of spontaneous circulation rate and peripheral blood flow through study completion, an average of 1 hour. | For patients with cardiac arrest undergoing CPR, Peripheral arterial blood flow monitoring was completed by ultrasound, and compared with treturn of spontaneous circulation rate . Bilateral carotid blood flow velocity: Peak systolic velocity, PSV, cm/s End diastolic velocity, EDV,cm/s Resistance index, RI Pulsatility index, PI Bilateral femoral artery blood flow velocity 1) Peak systolic velocity, PSV, cm/s 2) End diastolic velocity, EDV,cm/s 3) Resistance index, RI 4) Pulsatility index, P | through study completion, an average of 1 hour. | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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Cardiac Arrest, Point-of-care Ultrasound, cardiopulmonary resuscitation quality