Syncopepostural hypotensionorthostatic intolerancepostural tachycardia syndrome( POTS)chronic coronary syndrome( CCS)chronic heart failure( CHF)cardiac neurosis
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Individuals aged 18 years and above, regardless of gender. 2. Having one of the indications for cardiac autonomic function examination: syncope, postural hypotension, orthostatic intolerance, postural tachycardia syndrome, chronic coronary syndrome, chronic heart failure, cardiac neurosis, etc. 3. Voluntarily sign the informed consent form;
Exclusion criteria
Exclusion criteria: 1. A history of proliferative retinopathy (also known as proliferative stage retinopathy, i.e., stages IV-VI, retinal detachment, or glaucoma; 2. Within 3 months prior to signing the informed consent form, electrocardiogram (ECG) examination indicates any of the following: ectopic beats >= 5 beats per minute; various types of tachyarrhythmias (including but not limited to atrial fibrillation, atrial flutter, supraventricular tachycardia, ventricular tachycardia); bradyarrhythmias with a non-1:1 P/R ratio (degree II-III atrioventricular block); or pacemaker rhythm. 3. Poorly controlled hypertension (sitting systolic blood pressure >= 160 mmHg or diastolic blood pressure >= 100 mmHg before testing); 4. Acute coronary syndrome (including unstable angina pectoris, non-ST-segment elevation myocardial infarction, and ST-segment elevation myocardial infarction) occurring within 3 months prior to signing the informed consent form; 5. Being in a state of stress such as severe infection or surgery, or in the acute or unstable phase of any disease, within 1 month prior to signing the informed consent form; 6. Pregnant women; 7. Inability to attach a dynamic electrocardiogram (ECG) recorder due to extensive skin burns, ulceration, inflammatory reactions, severe desquamation in the precordial area, or severe thoracic deformities; 8. Any other individuals whom the researchers consider unsuitable for this trial or unable to cooperate with the examination;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The sensitivity of the investigational device for diagnosing CAN;The specificity of the investigational device for diagnosing CAN;Accuracy; | — |
Secondary
| Measure | Time frame |
|---|---|
| Device-related adverse events and serious adverse events; | — |
Countries
China
Contacts
The Seventh Affiliated Hospital Sun Yat-sen University