Inclusion Criteria:  WARD COPD project (NCT03660501):  ≥18 years Patients admitted to emergency departments or pulmonary wards with AECOPD as admission diagnosis with suspected acute exacerbation of COPD The diagnosis had to be sustained in the patient record at the time of inclusion Expected admittance longer than 24 hours Possibility of an investigator to include the patient within 24 hours from admission  The WARD surgery project (NCT03491137):  ≥ 60 years Elective major abdominal cancer surgery Estimated surgical duration ≥ 2 hours.  WARD VASC project (NCT04628858):  ≥ 18 years Patients with PAD which must undergo an open intraligamentary revascularization incl. a. femoralis TEA and intraligamentary bypass Patients admitted at the department of vascular surgery 3111 at Rigshospitalet regarding elective surgery Patients admitted the day before surgery and have an expected admitting time lasting more than 2 days (postoperatively)  WARD CGM (NCT04473001):  Adult patients ≥ 18 years Patients admitted at Rigshospitalet or Bispebjerg hospital for major abdominal surgery or major orthopedic surgery or major arterial vascular surgery Estimated duration of surgery ≥ 1 hour and at least one expected overnight stay at the hospital postoperatively Type 1 diabetes or type 2 diabetes treated with insulin or type 2 diabetes treated with oral antihyperglycemic drugs/GLP-1 analogs or patients with no diabetes  Exclusion Criteria:  WARD COPD project (NCT03660501):  Patients who were not expected to cooperate to wear the monitoring equipment Unable to give informed consent Patients who were withheld active treatment Implanted cardioverter defibrillator or pacemaker Severe allergy for plaster/silicone  WARD CODP pilot project (NCT03467815):  ≥ 18 years Patients admitted with AECOPD as admission diagnosis (this diagnosis had to be maintained in the patient record at time of inclusion)  The WARD surgery project (NCT03491137):  Implanted cardioverter defibrillator or pacemaker Allergy to study devices Severe cognitive impairment assessed by MMSE Inability to cooperate wearing the wireless monitoring equipment  WARD CODP pilot project (NCT03467815):  Unable to give informed consent Inability to cooperate to wear the monitoring equipment Active therapy withdrawn Expected duration of admission less than 24 hours after possible enrolment Allergies to plaster, plastic or silicone  WARD VASC project (NCT04628858):  Inability to cooperate wearing the wireless monitoring equipment Unable to give informed consent due to dementia or other reason. Severe allergy for plaster/silicone Implanted cardioverter defibrillator or pacemaker Patients not expected to be admitted for over 24 hours from possible inclusion time Isolated patients/patients with possible MRSA Patients who where withheld active treatment Patients formerly included in WARD surgery or WARD COPD studies Patients with a difference in systolic BP > 20 mmHg between their two arms  WARD CGM (NCT04473001):  Patients expected not to corporate with study procedures Patients allergic to plaster or silicone Patients with impaired cognitive function Patients with any treatment limitation Previous or currently scheduled for pancreatectomy Patients with pacemaker or ICD device