Extended Operational and Trade Vocabulary
Shipboard Medical, Telemedicine and Seafarer Health glossary
The shipboard-medical vocabulary: the ABCDE primary survey, abandonment financial security for medical care, the International Medical Guide categories of ship medicine chests, telemedicine support, and the first-aid and emergency-care terms. Grounds each term in the MLC medical-care requirement or the shipboard clinical procedure it belongs to.
358 defined terms.
Showing 250 on this page (page 1 of 2).
A
- AAOS
- American Academy of Orthopaedic Surgeons; publishes Emergency Care and Transportation of the Sick and Injured used in shipboard first-aid training.
- Abandonment financial security
- Mandatory MLC 2006 Regulation 2.5.2 insurance covering repatriation, wages, and essentials when a seafarer is abandoned.
- ABCDE assessment
- Primary survey sequence (Airway, Breathing, Circulation, Disability, Exposure) used in shipboard trauma and medical emergencies.
- ACEP Cruise Ship Medicine Section
- American College of Emergency Physicians special-interest section publishing health-care standards for cruise ship medical facilities.
- Acetaminophen
- US English term for paracetamol; oral analgesic and antipyretic stocked in all IMGS ship categories.
- Activated charcoal
- Oral adsorbent for ingested poisons; listed in IMGS Annex IV and MFAG decontamination guidance.
- Acute coronary syndrome (ACS)
- Suspected myocardial infarction or unstable angina; shipboard protocol calls for aspirin 300 mg chewable, oxygen if SpO2 < 94%, GTN, and TMAS consult.
- Adrenaline auto-injector (EpiPen)
- 0.3 mg IM device for anaphylaxis carried in Category A and B ships' chests.
- AED (Automated External Defibrillator)
- Portable defibrillator with adult and pediatric pad sets recommended for all merchant ships and required on cruise ships.
- Aeromedical evacuation
- Fixed-wing or rotary-wing transfer of a sick or injured seafarer to definitive care ashore.
- Air splint
- Inflatable limb-immobilization device listed in IMGS Annex V.
- Albuterol
- US English name for salbutamol metered-dose inhaler used for asthma and bronchospasm.
- Allergic reaction protocol
- Mild reaction managed with antihistamine (cetirizine); anaphylaxis treated with IM adrenaline 0.5 mg (0.3 mg auto-injector) and TMAS contact.
- Amoxicillin
- Beta-lactam antibiotic in IMGS Annex IV for respiratory and dental infections.
- Amoxicillin-clavulanate
- Co-amoxiclav, broader-spectrum oral antibiotic stocked on Category A vessels.
- Ampoule register
- Logbook recording each glass ampoule of injectable medication issued from the medical chest.
- Anaphylaxis kit
- Adrenaline, antihistamine, hydrocortisone, oxygen, and airway adjuncts grouped for rapid access.
- Antiemetic
- Drug class (ondansetron, metoclopramide, cyclizine) used for vomiting and seasickness.
- Antimalarial chemoprophylaxis
- Doxycycline, mefloquine, or atovaquone-proguanil (Malarone) regimens for crew calling at endemic ports.
- Apostleship of the Sea
- Catholic seafarers' welfare organization, now Stella Maris.
- Appendicitis at sea
- IMGS provides clinical algorithm; antibiotic cover (ciprofloxacin plus metronidazole) and MEDEVAC are first-line responses.
- Aspirin 300 mg chewable
- Antiplatelet dose given on suspected acute myocardial infarction per IMGS cardiac protocol.
- Atovaquone-proguanil (Malarone)
- Daily malaria prophylaxis tablet suitable for short-stay port calls.
- Audiometry
- Hearing test conducted at pre-employment medical examination per ILO/IMO Guidelines on Medical Examinations of Seafarers.
- Autoclave
- Steam sterilizer for surgical instruments fitted on ships with hospital facilities.
- Auxiliary medical attendant
- STCW VI/4-2 trained officer designated to deliver onboard medical care.
- Azithromycin
- Macrolide antibiotic used for atypical pneumonia and traveler's diarrhea.
B
- Bag-Valve-Mask (BVM)
- Manual resuscitator with reservoir for positive-pressure ventilation; IMGS Annex V item.
- Beclomethasone
- Inhaled corticosteroid for asthma maintenance therapy.
- Benzodiazepine
- Diazepam or midazolam stocked for seizure control under controlled-drug register.
- Blood glucose monitor (glucometer)
- Capillary glucose testing device for suspected diabetes or hypoglycemia.
- Blood pressure cuff
- Manual aneroid or digital sphygmomanometer carried in all categories.
- Body bag
- Cadaver pouch held aboard for management of death at sea pending repatriation or burial.
- Booster vaccination
- Tetanus-diphtheria every 10 years and other intervals per WHO and flag-state schedules.
- Britannia P&I
- P&I club operating a Pre-Employment Medical Examination (PEME) scheme for entered crews.
- Burial at sea
- Last-resort disposal of remains under master's authority; flag-state and IMGS guidance on documentation.
- Burn area estimation
- Rule of Nines used shipboard to estimate total body surface area burned.
- Burn dressing
- Hydrogel dressings (e.g., Water-Jel) carried for thermal injuries from galley or engine room.
- BVM with PEEP valve
- Bag-valve-mask fitted with positive end-expiratory pressure valve for severe respiratory failure.
C
- Cardiopulmonary resuscitation (CPR)
- Chest compressions and rescue breathing trained under STCW VI/1 and VI/4.
- Cargo gas exposure
- Hydrogen sulfide, benzene, ammonia, or chlorine exposure managed per MFAG Table reference.
- Cargo Information (SOLAS VI/2)
- Master must receive cargo data including hazards relevant to MFAG application.
- Category A ship
- Polar Code ship designed for operation in at least medium first-year ice, which may include old ice inclusions.
- Category B ship
- Polar Code ship designed for operation in at least thin first-year ice, which may include old ice inclusions.
- Category C ship
- Polar Code ship designed for operation in open water or in less severe ice conditions than Categories A or B.
- Cefixime
- Oral third-generation cephalosporin listed in some flag-state ship chests.
- Cefotaxime
- Injectable third-generation cephalosporin for severe sepsis on Category A ships.
- Centro Internazionale Radio Medico (CIRM)
- Rome-based TMAS founded 1935 by Guido Guida; provides free 24/7 medical advice in multiple languages.
- Cervical collar (semi-rigid)
- Adjustable Stifneck-type immobilization collar in IMGS Annex V.
- Cetirizine
- Non-sedating oral antihistamine in shipboard chest.
- Chain of evidence
- Forensic chain custody procedures for samples taken on board in suspected assault or poisoning.
- Charcoal canister respirator
- Filter respirator for cargo gas exposure carried alongside SCBA.
- Chemical antidote
- MFAG-listed antidotes (e.g., atropine for organophosphates, naloxone for opioid overdose, hydroxocobalamin for cyanide).
- Chickenpox isolation
- Standard infection control measure aboard when crew member presents with varicella.
- Chlorhexidine
- Antiseptic solution and skin-prep wipes in medical chest.
- Chloroquine
- Antimalarial; restricted use today due to widespread resistance.
- Chlorphenamine (chlorpheniramine)
- Sedating antihistamine; injectable form for severe allergic reaction.
- Cholera vaccine (Dukoral)
- Oral vaccine occasionally recommended for crews calling at endemic ports.
- Ciprofloxacin
- Fluoroquinolone antibiotic for urinary, gastrointestinal, and respiratory infections.
- CIRM medical record number
- Unique case ID assigned by Centro Internazionale Radio Medico for each consultation.
- CLIA Health Standards
- Cruise Lines International Association guidelines on shipboard medical facilities, staffing, and outbreak response.
- Clinical thermometer (digital)
- Oral or tympanic device replacing mercury thermometers per IMO recommendation.
- Clinical waste
- Sharps and infectious waste segregated in yellow rigid container per MARPOL Annex V garbage rules.
- Co-amoxiclav
- See Amoxicillin-clavulanate.
- Codeine phosphate
- Mild opioid analgesic; in many jurisdictions a controlled drug.
- Cold chain
- Continuous temperature-controlled supply chain from origin packing house to retail or end-use.
- Communicable disease notification
- Master notifies next port via Maritime Declaration of Health under IHR 2005.
- Confined space rescue first aid
- STCW competency including casualty handling after entry-rescue from tanks.
- Controlled drug register
- Bound logbook with signed entries for each issue or destruction of narcotics on board.
- Controlled drug stowage
- Double-locked steel cabinet within the medical locker, key held by master.
- Coroner's report (death at sea)
- Documentation prepared by master for flag-state, port-state, and seafarer's home authorities.
- Corticosteroid (hydrocortisone)
- Injectable 100 mg vial for anaphylaxis and severe asthma.
- CPR mask with one-way valve
- Pocket resuscitation mask for rescue breathing without mouth-to-mouth contact.
- CROSS Gris-Nez
- French Maritime Rescue Coordination Centre coordinating SAMU de Coordination Medicale Maritime medical consultations.
- Cruise ship infirmary
- Onboard clinic staffed by physician and nurses, sized per CLIA Health Standards based on passenger count.
- Cruise ship physician
- Licensed medical doctor employed aboard passenger vessels with more than 100 passengers per SOLAS V/14.
- Cyanide antidote kit
- Hydroxocobalamin (Cyanokit) or sodium thiosulfate plus amyl/sodium nitrite for cyanide poisoning per MFAG.
D
- Dangerous Goods List (DGL)
- Main IMDG table by UN number with packing/segregation columns.
- Death certificate at sea
- Document drawn by master under flag-state law and recorded in Official Log Book.
- Decompression illness
- Diving casualty managed with 100% oxygen, fluids, and urgent recompression; relevant for diving-support vessels.
- Defibrillator pads (adult and pediatric)
- Dual-set electrodes for AED units on passenger ships.
- Dengue fever
- Mosquito-borne viral illness encountered in tropical port calls; supportive shipboard care, MEDEVAC for severe cases.
- Dental kit (emergency)
- Cavit temporary filling material, oil of cloves (eugenol), forceps for shipboard dental emergencies.
- Diabetes management at sea
- Glucometer monitoring; restricted-duty considerations under medical fitness regulations.
- Diazepam
- Benzodiazepine for seizures and severe anxiety; controlled drug requiring register entry.
- Diclofenac
- NSAID injectable for renal colic and severe musculoskeletal pain.
- Diphtheria-Tetanus-Pertussis (Tdap)
- Booster vaccine in routine seafarer vaccination schedules.
- Disability assessment
- Glasgow Coma Scale (GCS) and pupillary response check in primary survey.
- Doctor on board
- Required by SOLAS V/14 for ships carrying more than 100 passengers on voyages exceeding 3 days.
- Doxycycline
- Tetracycline antibiotic also used for malaria prophylaxis and Lyme disease.
- Dressing pack (sterile)
- Pre-packaged wound dressing materials in IMGS Annex V.
- DSC distress alert
- GMDSS Digital Selective Calling alert used to summon urgent medical advice via coast station.
E
- ECG (12-lead)
- Electrocardiograph fitted on larger or passenger ships; tracing transmitted to TMAS by email or Inmarsat.
- EMSA
- European Maritime Safety Agency, supporting Paris MoU and EU Member States on PSC.
- ENG 1 medical certificate
- UK MCA seafarer medical fitness certificate issued by Approved Doctors under MSN 1839.
- Enteric isolation
- Cabin isolation for crew with infectious gastroenteritis (e.g., norovirus, salmonella).
- EpiPen
- Brand name for adrenaline auto-injector 0.3 mg IM device.
- Epistaxis management
- Anterior nasal packing or nasal tampon held in ship chest.
- Erythromycin
- Macrolide antibiotic alternative for penicillin-allergic patients.
- ETCO2 monitor
- End-tidal CO2 capnograph on advanced cruise-ship resuscitation trolleys.
- European Manual of Maritime Medicine
- Reference text for ship doctors and Approved Doctors.
- Eye irrigation
- Saline or Diphoterine irrigation for chemical eye exposure per MFAG.
- Eye wash station
- Mounted plumbed unit on tankers and chemical carriers near cargo handling areas.
F
- Falck Healthcare Norway
- Norwegian provider of maritime telemedical assistance and occupational health services.
- Fatigue management
- STCW VIII/1 and IMO Guidelines on Fatigue covering rest hours and watch arrangements.
- Femoral pulse
- Central pulse check used in unresponsive casualty assessment.
- First aid kit (portable)
- Smaller satellite kit at bridge, engine room, and galley separate from main chest.
- First aider on board
- STCW VI/1 trained crew member competent in basic first aid.
- Flag State Medical Regulations
- National implementation of MLC 2006 medical certificate and chest requirements.
- Fluconazole
- Oral antifungal for systemic or persistent fungal infections.
- Food handler certificate
- Periodic stool testing and training for galley staff under flag-state requirements.
- Food poisoning outbreak
- Multi-casualty incident managed via cohort isolation and notification under IHR.
- Foreign body in eye
- IMGS protocol for irrigation, fluorescein staining, and TMAS consultation.
G
- Galley hygiene inspection
- Periodic inspection under MLC 2006 Regulation 3.2 food and catering.
- Gauze swabs (sterile)
- Standard wound care item in IMGS Annex V.
- Glasgow Coma Scale
- Neurological assessment scoring eye, verbal, and motor response (3-15).
- Glucagon kit
- Emergency injection for severe hypoglycemia where oral glucose not possible.
- Glucometer
- Capillary blood glucose meter with test strips and lancets.
- GMDSS Medico Call
- Use of MF/HF DSC or Inmarsat for free medical advice under SOLAS Chapter IV.
- GTN spray (glyceryl trinitrate)
- Sublingual spray for angina, contraindicated with hypotension and PDE5 inhibitors.
H
- H2S exposure
- Hydrogen sulfide poisoning treated with 100% oxygen and supportive care per MFAG Table 600 series.
- Haemorrhage control
- Direct pressure, tourniquet, and tranexamic acid where available.
- Hand sanitizer dispensers
- Standard infection control fixtures in mess, galley, and accommodation passageways.
- Hazardous Materials Manifest
- Reference document used with MFAG during cargo incident response.
- Headache assessment
- IMGS chapter differentiates tension, migraine, and red-flag neurological causes.
- Heat stroke
- Engine-room and tropical-deck risk; treated with rapid cooling, IV fluids, and MEDEVAC.
- Helicopter Landing Officer (HLO)
- Trained crew supervising MEDEVAC helicopter operations.
- Helicopter winch evacuation
- Hi-line technique used by SAR aircraft to lift a casualty in Stokes basket.
- Hellenic Centre for the Treatment of Sick Seafarers
- Athens-based TMAS for Greek-flagged ships.
- HEPA filter mask (FFP3/N95)
- Respiratory protection during infectious disease management on board.
- Hepatitis A vaccine
- Two-dose inactivated vaccine recommended for seafarers traveling internationally.
- Hepatitis B vaccine
- Three-dose recombinant vaccine for blood-borne pathogen protection.
- Hospital cabin
- Dedicated isolation cabin under MLC Standard A4.1 for ships with 15+ crew on voyages over 3 days.
- HUET
- Helicopter Underwater Escape Training, capsized cabin egress drill.
- Hydrocortisone sodium succinate
- 100 mg vial for IV/IM use in severe asthma and anaphylaxis.
- Hydroxocobalamin (Cyanokit)
- 5 g IV antidote for cyanide poisoning.
- Hygiene Officer
- Designated crew on cruise ships overseeing public-health sanitation under VSP/USPH.
- Hypothermia management
- Passive and active rewarming protocols for cold-water casualties.
I
- Ibuprofen
- NSAID analgesic in oral and topical forms.
- ICS Tanker Safety Guide
- Industry guide referencing emergency response and MFAG application.
- IHR 2005
- International Health Regulations adopted by WHO, basis for the Maritime Declaration of Health.
- Illness Log
- Record of seafarer sickness, treatment, and outcome maintained by master/medical officer.
- IMGS
- International Medical Guide for Ships, 3rd edition, published by WHO 2007.
- IMGS 2nd edition (1988)
- Earlier edition of the WHO ship medical guide, superseded but still found aboard older vessels.
- IMGS Annex IV
- List of medicines required on board ships by category.
- IMGS Annex V
- List of medical equipment required on board ships.
- IMGS Annex VI
- List of antidotes for medical first aid in chemical accidents.
- IMGS Annex VII
- Surface area nomogram and clinical reference tables.
- IMGS Chapter 1
- First aid, examination, and diagnosis chapter.
- IMGS Quantification Addendum
- 2010 WHO companion volume specifying medicine and equipment quantities per Category A, B, C ships.
- Immunization record
- Personal vaccination record carried by each seafarer alongside the ICVP yellow book.
- Inmarsat FleetBroadband
- Higher-bandwidth IP service.
- Inmarsat SafetyNET
- Free broadcast service for medical advice messages.
- Inmarsat-C medical message
- Free safety messaging service used to relay medical consultations to TMAS.
- Insulin (human regular and isophane)
- Refrigerated insulin held for diabetic crew on Category A ships.
- International Certificate of Vaccination or Prophylaxis (ICVP)
- WHO Yellow Card recording yellow fever and other vaccinations.
- International Chamber of Shipping (ICS)
- Global trade association of national shipowner associations.
- International Health Regulations 2005
- WHO instrument governing port health, MDH, and ship sanitation certificates.
- International Maritime Health (journal)
- Peer-reviewed journal of the International Maritime Health Association (IMHA), Gdynia, Poland.
- International Maritime Health Association (IMHA)
- Professional body for maritime medicine practitioners.
- International Medical Guide for Ships
- Full title of IMGS; WHO/ILO/IMO joint product.
- International Ship Sanitation Certificate (SSCC/SSCEC)
- IHR 2005 certificate issued at port of inspection, valid 6 months.
- International SOS
- Global medical and security assistance company providing maritime telemedicine services.
- Iridium Certus
- L-band satellite broadband service (GMDSS-recognized 2020).
- ISGOTT medical first aid section
- International Safety Guide for Oil Tankers and Terminals chapter on first aid for oil and chemical exposure.
- ISM Code Section 7
- Requires written procedures for shipboard operations including medical emergencies.
- Isolation cabin
- Designated cabin used for guests under medical isolation for communicable disease.
- ISWAN
- International Seafarers' Welfare and Assistance Network, registered UK charity.
- IV cannula sizes
- 14G to 22G cannulae stocked for Category A vessels.
- IV fluid bags
- 0.9% sodium chloride and Hartmann's solution per IMGS Quantification.
J
- Joint Maritime Commission
- ILO body addressing seafarer health, safety, and welfare.
K
- Ketamine
- Dissociative anesthetic; not standard on cargo ships, present on offshore-support vessels.
- Ketorolac
- Injectable NSAID for severe pain where stocked.
L
- Laryngeal mask airway (LMA)
- Supraglottic airway device on cruise-ship resuscitation trolleys.
- Laryngoscope
- Direct or video device used by physicians on passenger ships.
- Lifeboat first aid kit
- Smaller kit in each survival craft per LSA Code.
- Lignocaine (lidocaine)
- Local anesthetic for wound closure and minor procedures.
- Loperamide
- Antidiarrheal in shipboard chest.
- Lorazepam
- Benzodiazepine alternative to diazepam where authorized.
- Lyme disease
- Tick-borne illness with delayed presentation; doxycycline first-line treatment.
M
- MAIB
- Marine Accident Investigation Branch of the United Kingdom, established under the Merchant Shipping Act 1988 and operating from Southampton.
- Malaria
- Plasmodium infection acquired in endemic ports; rapid diagnostic test (RDT) and artemether-lumefantrine on Category A ships.
- Malarone
- Brand name for atovaquone-proguanil antimalarial.
- Maritime Declaration of Health (MDH)
- IHR 2005 Annex 8 form submitted to port health authority on arrival.
- Maritime Medical Centre (Aberdeen)
- UK provider of seafarer occupational health and TMAS services.
- MARPOL Annex V medical waste
- Garbage record book entries for clinical waste landed ashore.
- Mass Casualty Incident plan
- Ship-specific procedure for incidents exceeding routine medical capacity.
- Master's authority over medical care
- Master is ultimately responsible for seafarer health under MLC 2006 Standard A4.1.
- MCA Approved Doctor
- UK Maritime and Coastguard Agency physician authorized to issue ENG 1 certificates.
- MCA MSN 1839
- Merchant Shipping Notice on seafarer medical certification standards.
- MedAire
- Phoenix, Arizona-based provider of maritime telemedicine through MedLink Global Response Center.
- MEDEVAC
- Medical evacuation by ship, helicopter, or fixed-wing aircraft.
- Medical Care (STCW VI/4-2)
- Higher-level STCW competency for officers in charge via Model Course 1.15.
- Medical Care on Board Ship
- Title of MLC 2006 Regulation 4.1 covering health protection and treatment.
- Medical Certificate STCW I/9
- Mandatory pre-employment and periodic fitness certificate per STCW Regulation I/9.
- Medical chest
- Lockable cabinet containing pharmaceuticals and equipment per flag-state and IMGS quantification.
- Medical chest inspection
- Annual inspection by flag-state-recognized pharmacist or doctor.
- Medical First Aid (STCW VI/4-1)
- STCW competency at first-aid level via Model Course 1.14.
- Medical fitness examination
- Pre-employment and periodic examination per ILO/IMO Guidelines on Medical Examinations of Seafarers, 2013 revision.
- Medical Log Book
- Record of every medical event, treatment, and TMAS consultation on board.
- MEDICO call
- VHF or Inmarsat call requesting medical advice; addressed to coast radio station or TMAS.
- MEDICOM Madrid
- Spanish TMAS service operated by Instituto Social de la Marina.
- MedLink
- TMAS service operated by MedAire from Phoenix, Arizona.
- Mefloquine
- Weekly antimalarial; contraindicated with history of neuropsychiatric disorders.
- Meningitis vaccine (ACWY)
- Required for crew on Hajj pilgrim ships and certain ports.
- Mental Health Support Solutions (MHSS)
- German-based provider of 24/7 psychological support to seafarers.
- MERS-CoV
- Middle East Respiratory Syndrome coronavirus; relevant to Gulf-region port calls.
- Metoclopramide
- Antiemetic in IMGS Annex IV.
- Metronidazole
- Antibiotic active against anaerobes and protozoa.
- MFAG
- Medical First Aid Guide for Use in Accidents Involving Dangerous Goods; IMO publication supplementing IMDG Code.
- MFAG 2024 edition
- Current edition of the Medical First Aid Guide published by IMO.
- MFAG Table Number
- Numerical reference (e.g., 700, 725, 740) linking each UN cargo entry in IMDG Code to a treatment schedule.
- Midazolam
- Short-acting benzodiazepine for seizure or sedation; controlled drug.
- Migraine medication
- Triptans where authorized; otherwise simple analgesics and antiemetics.
- Mission to Seafarers
- Anglican seafarers' welfare society founded 1856.
- MLC 2006 Regulation 4.1
- Medical care on board ship and ashore.
- MLC 2006 Regulation 4.2
- Shipowners' liability for crew illness, injury, and death.
- MLC 2006 Regulation 4.3
- Health and safety protection and accident prevention.
- MLC 2006 Regulation 4.4
- Access to shore-based welfare facilities.
- MLC 2006 Regulation 4.5
- Social security for seafarers.
- MLC 2006 Title 4
- Health Protection, Medical Care, Welfare and Social Security Protection.
- MMR vaccine
- Measles, mumps, rubella combined vaccine in pre-employment schedules.
- Morphine sulfate
- Strong opioid analgesic; controlled drug requiring register entry.
- Mouth-to-mask resuscitation
- Recommended over mouth-to-mouth aboard ship using pocket mask with one-way valve.
N
- Naloxone
- Opioid antagonist for overdose reversal; IM or IN administration.
- Naproxen
- NSAID analgesic where stocked as alternative to ibuprofen.
- Nasopharyngeal airway
- Soft airway adjunct in shipboard airway kit.
- National Maritime Center (NMC)
- US Coast Guard centre issuing medical certificates Form CG-719K.
- Nebulizer
- Compressor device for bronchodilator delivery in severe asthma where stocked.
- Needle decompression
- Emergency treatment of tension pneumothorax using large-bore cannula (advanced training required).
- Neil Robertson stretcher
- Canvas-and-bamboo wraparound stretcher used in confined-space and vertical extraction.
- NMC Form CG-719K
- US Coast Guard Medical Certificate for merchant mariners.
- Non-rebreather mask
- Oxygen mask with reservoir delivering 60-90% FiO2.
- Norovirus outbreak
- Common cruise-ship gastrointestinal outbreak managed with cohort isolation and reinforced sanitation.
O
- OCIMF SIRE 2.0
- Tanker inspection regime succeeding the SIRE program with a behavioral and cyber emphasis, launched 2024.
- Ondansetron
- 5HT3 antagonist antiemetic available in oral and injectable forms.
- Opioid analgesic stewardship
- Controlled drug register, double-lock storage, and master oversight per flag-state rules.
- Oral rehydration salts (ORS)
- WHO-formula sachets for diarrheal illness; IMGS Annex IV.
- Organophosphate antidote
- Atropine plus pralidoxime per MFAG; relevant for pesticide cargo or fumigation.
- Otoscope
- Ear examination instrument in IMGS Annex V.
- Oxygen cylinder
- 200-400 L medical oxygen with regulator and flow meter per ship category.
- Oxygen mask (Hudson)
- Simple face mask for low-to-medium-flow oxygen.
- Oxygen saturation (SpO2)
- Pulse oximeter measurement; key triage parameter.
P
- P&I Club PEME
- Pre-Employment Medical Examination schemes operated by clubs including UK P&I, Britannia, Standard, Steamship Mutual, North/NorthStandard, West of England, and Skuld.
- Paracetamol
- Acetaminophen oral analgesic and antipyretic in all categories.
- Paramedic-trained officer
- Some offshore-support vessels carry a dedicated paramedic in addition to STCW-trained crew.
- PEME
- Pre-Employment Medical Examination required by many owners and P&I clubs.
- Peritonitis at sea
- Surgical emergency requiring antibiotics, fluids, analgesia, and MEDEVAC.
- Pesticide poisoning
- Treated per MFAG with atropine, pralidoxime, decontamination, and oxygen.