Patient description: The patient is a 41-year-old obese woman coming to the emergency room with abdominal pain and vomiting. The pain that started gradually yesterday is located in the epigastric and periumbilical regions, radiating to her back. She drinks alcohol frequently and does not smoke. She has no history of allergies and uses only multivitamins daily. Her family history is positive for hypertension (her mother). She lives with her husband and has 3 children. The abdomen is tender and soft. Her bowel sounds are normal. Her heart rate is 115/min and blood pressure 110/75 mmHg. The lab studies are remarkable for leukocytosis (19.5), urea of 8.5, high CRP (145), high amylase (1200) and Glucose level of 15. Her abdominal CT scan revealed acute edematous interstitial pancreatitis with enlarged common bile duct and intrahepatic duct confirming gall stone pancreatitis. Her pregnancy test is negative and she is not breastfeeding.

Clinical trial eligibility criteria: eligible ages (years): 18.0-85.0,  Coronary Artery Disease Congestive Heart Failure Valvular Heart Disease Atrial Fibrillation Hypertension Pyelonephritis Acute Renal Failure Renal Failure Viral Hepatitis Alcoholic Hepatitis Steatohepatitis Cirrhosis Asthma COPD Bronchitis Emphysema Pneumonia Inflammatory Bowel Disease Crohn's Disease Ulcerative Colitis Diverticulitis Peptic Ulcer Disease Irritable Bowel Syndrome Cholecystitis Pancreatitis Malabsorption Disorders Celiac Sprue Diabetes Five Diagnosis Group: 1. Sex: Male or Female 2. Age range: 18 to 85 3. Qualifying medical diagnoses (5 diagnosis groups) For potential subjects presenting with one of the five qualifying diagnoses, the patient presents with confirmed active medical diagnoses affecting the following systems or organs Cardiovascular system: coronary artery disease, left sided congestive heart failure with EF <50%, valvular heart disease, atrial fibrillation, and hypertension Kidney: pyelonephritis, acute renal failure, or chronic renal failure stages II-V Liver: viral hepatitis, alcoholic hepatitis, steatohepatitis, or cirrhosis Pulmonary system: asthma, COPD, bronchitis, emphysema, or pneumonia Gastrointestinal/Endocrine: inflammatory bowel disease (including Crohn's disease, ulcerative colitis, or diverticulitis), peptic ulcer disease, IBS, cholecystitis, pancreatitis, or malabsorption disorders (including Celiac Sprue); diabetes (Type 1 and Type 2) 4. The patient or legal representative is able to understand and provide signed consent for the procedure. 5. Every effort will be given to balance subjects by gender, age, and race. At least 60 subjects from each of the 5 diagnostic groups and the 1 control group will be recruited. Control Group: 1. Sex: Male or Female 2. Age range: 18 to 85 3. Freedom from qualifying medical diagnoses (control group) For potential subjects for the control group, the subject is free from active medical diagnoses affecting the following systems or organs Cardiovascular system: coronary artery disease, left sided congestive heart failure with EF <50%, valvular heart disease, atrial fibrillation, and hypertension Kidney: pyelonephritis, acute renal failure, or chronic renal failure stages II-V  Patients < 18 years in age or > 85 years in age Inability or unwillingness to provide informed consent Patients with pacemakers or another electrical device implanted somewhere in their body Pregnant women Patients currently undergoing therapy for cancer of any kind