A Abortion [2, 3, 4, 5] Acariasis Achondroplasia [ 2] Acid-Base balance [2, 3, 4] Acidosis [ 2] Acne [2, 3, 4] Acromegaly Actinomycosis Addison's Disease [ 2, 3] Ageing AIDS [2, 3, 4, 5, 6, 7 ] Airway Obstruction [2] Albinism [ 2] Alcoholism [2, 3, 4] Allergy Alzheimer Disease Amebiasis Amnesia [2, 3, 4, 5, 6] Amniotic Fluid Embolism [2] Amyloidosis [2, 3, 4] Analgesia [2, 3] Anaphylaxis [2, 3, 4] Anemia [2, 3, 4, 5] Anesthesia [2] Angina Pectoris [2] Angioedema [2] Antepartum Hemorrhage Anthrax [2, 3, 4, 5] Anticoagulant Anxiety Disorders [2] Aortic aneurysm [ 2] Aortic Stenosis Appendicitis Arrhythmia Arthritis Asbestos [2,  3] Ascites [2, 3] Asthma [2, 3, 4] Ataxia Atherosclerosis [2, 3] Athlete's foot Atrial Fibrillation [2] Attention Deficit [2, 3] Autism [2, 3, 4, 5, 6] Autoimmunity [2] Avian Flu [2]