WDiving medicineWAerosinusitisWAerospace Medical AssociationWAir embolismWAtrial septal defectWAvascular necrosisWBarodontalgiaWBarotraumaWBuilt-in breathing systemWDiving chamberWDecompression sicknessWDrowningWEar clearingWExercise Paddington DiamondWHyperbaric medicineWHyperbaric treatment schedulesWHypercapniaWHypothermiaWHypoxia (medical)WList of signs and symptoms of diving disordersWNaval Submarine Medical Research LaboratoryWNitrogen narcosisWOxygen therapyWOxygen toxicityWSouthern African Underwater and Hyperbaric Medical AssociationWSwedish Armed Forces Diving and Naval Medicine CentreWUnited States Navy Experimental Diving UnitWValsalva maneuver