Inclusion Criteria:
* Sepsis cardiac insufficiency group
1. From April 2024 to December 2026, in the first ICU area of Dongzhimen Hospital, Beijing University of Chinese Medicine, Hospitalized patients in Zone II;
2. consistent with the diagnosis of sepsis cardiac insufficiency;
3. Age ≥ 50 and ≤ 90 years old;
4. SOFA score≥ 2 points;
5. Within 24 hours of the diagnosis of cardiac insufficiency in sepsis;
6. The patient or his/her family members sign the informed consent form. Healthy subjects
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1. Aged ≥ 50 and ≤ 90 years old, permanent residents of Beijing community;
2. Good health (blood routine, liver and kidney function, blood lipids, blood coagulation, no obvious abnormalities, no diagnosis cardiac insufficiency, acute coronary syndrome, old myocardial infarction, or cardiomyopathy);
3. There is no history of long-term use of drugs that affect platelet function and coagulation function, and those who are willing to cooperate with the test Crowd;
4. The subject himself signed the informed consent form.
Exclusion Criteria:
* 1\) Diagnosed with acute coronary syndrome, old myocardial infarction, and coronary heart disease revascularization of patients; (2) Cardiac insufficiency due to cardiomyopathy, such as hypertrophic cardiomyopathy, dilated cardiomyopathy, myocardial amyloidosis, diabetic cardiomyopathy, hypothyroidic cardiomyopathy, etc.; (3) Due to heart knots Cardiac insufficiency caused by structural abnormalities, arrhythmias, cor pulmonale, nephroheart syndrome, etc.; (4) Impact Survival of severe primary diseases, including: uncontrolled malignant tumors that have metastasized in multiple places and cannot be resected, and blood disease, novel coronavirus infection and HIV, etc.; (5) Liver and kidney dysfunction with a single SOFA score of ≥3 points in liver or kidney handicappers; (6) Those who have been continuously using immunosuppressants or organ transplantation in the past 6 months; (7) 7 consecutive days prior to enrollment Those who have used corticosteroids, converted to methylprednisolone dose≥ 20mg/day; (8) Pregnant and lactating women; (9) Take or Injection of drugs that affect platelet function and coagulation function; (10) Those who have participated in other clinical trials within 30 days.
