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