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Other than physical observation, various numbers of Clinical Tests are carried out to make sure that all the Standards are met.

1. Complete Blood Count (Hb, TWBC, ESR);
2. Routine Urine(Albumin, sugar and microscopic);
3. Blood Sugar;
4. Audiometry;
5. Vision Test (Distant, Near, Colour);
6. X-ray of Chest; and
7. Electrocardiogram (ECG).

Medical Condition considered before issuing Medical Certificate

The Following medical condition generally renders a person unfit for work at sea:

1. Infectious and Parasitic Diseases- Acquired Immune Deficiency Syndrome (AIDS), Enteritis, Hepatitis (active or chronic, within 6 months), Typhoid, Malaria Lice, Scabies, Sexually Transmitted Disease or any other infectious or parasitic disease in its communicable or carrier state which would present a health hazard to other crew members or passengers.
2. Malignant Neoplasms- Any malignancy currently receiving treatment.
3. Endocrine, Nutritional and Metabolic conditions and Immunity Disorders- Diabetes Mellitus, Adrenal insufficiency, Immunosuppressive therapy, Obesity or any disease of the endocrinal gland.
4. Disease of the Blood and Blood-forming organs- Anemia, Myelodysplasia, Splenomegaly or any significant disease of the haemopoietic system.
5. Mental Disorders- Active Alcohol (substance abuse or dependence), acute psychosis, psychoneurosis major depression, Dementia or Personality disorder.
6. Nervous System- Ataxia, Vertigo, Convulsive disorder, Epilepsy, Unsteadiness of gait, Post concussion syndrome, Stroke, Tremors, Migraine, Syncope, Epistaxis or Sinusitis.
7. Oral Health- Mouth or gum Infection (until treated) or any Dental defects.
8. Cardiovascular system- an aortic aneurysm, Arrhythmia, Hypertension, Coronary bypass grafting, Coronary angioplasty, Claudication, Myocardial infarction, Varicose veins, Chronic varicose ulcerations, thrombophlebitis, Haemorrhoids, Varicocele or any cases of High/Low blood pressure.
9. Respiratory system- Bronchial Asthma, Chronic bronchitis, Pneumothorax (within 12 months), Tumour or Pulmonary Koch’s with less than 12 months treatment.
10. Digestive system- Abdominal lump, Abscess, Appendicitis, Cholelithiasis, Diarrhoea, Gastric Ulceration, Haematemesis (within 3 months), Hepatitis (within 6 months), Jaundice, Pancreatitis, Peptic Ulcer, Cirrhosis of the Liver, Splenomegaly, Hepatomegaly or Fissure(Unless Operated).
11. Genitourinary system- All cases of proteinuria, Glycosuria, Nephritis, Urinary obstructions (if not remediable), Renal or ureteric calculus, Removal of the kidney, Renal transplant, Renal insufficiency, Incontinence of urine, Prostatism ith retention, Urethral discharge or any Gynaecological conditions.
12. Pregnancy
13. Skin Condition- Al infection of the skin (until satisfactorily treated), Acute Eczema, Dermatoses (severe or uncontrolled), Manifestations of the systemic disease (eg. Lupus, allergy), Carcinoma or any Burn hindering the natural movement.

Note: The Above Information is provided by the Directorate General of Shipping (http://dgshipping.com/) , Merchant Shipping Act 1958.

HOPE THIS WOULD HELP!!