Paracentesis, Arthrocentesis, Point of care ultrasound, Heart failure, High blood cholesterol, Coronavirus disease 2019..., Asthma, Obesity, High blood pressure, Celiac disease, Prediabetes, Gastroesophageal reflux disease, Deep vein thrombosis, Irritable bowel syndrome, COPD, Hypothyroidism, Dysphagia, Diabetic hyperglycemia, Chest pain, Respiratory infection, Iron deficiency, Headache, Syncope, Vitamin D deficiency, Vitamin B-12 deficiency, Dyspnea on exertion