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  2. Aircraft emergency frequency - Wikipedia

    en.wikipedia.org/wiki/Aircraft_emergency_frequency

    The aircraft emergency frequency (also known in the USA as Guard) is a frequency used on the aircraft band reserved for emergency communications for aircraft in distress.The frequencies are 121.5 MHz for civilian, also known as International Air Distress (IAD), International Aeronautical Emergency Frequency, [1] or VHF Guard, [1] and 243.0 MHz—the second harmonic of VHF guard—for military ...

  3. International distress frequency - Wikipedia

    en.wikipedia.org/wiki/International_distress...

    2182 kHz for medium range maritime voice use. The US Coast Guard has said "beginning August 1st, 2013 the Coast Guard would no longer monitor 2182 kHz". [4] Many other MRCCs, for example most in Northern Europe, now only have MF capabilities and no HF. [5] Several HF maritime voice frequencies exist for long-distance distress calls: [6] 4125 ...

  4. Emergency position-indicating radiobeacon - Wikipedia

    en.wikipedia.org/wiki/Emergency_position...

    Overview diagram of COSPAS-SARSAT communication system used to detect and locate ELTs, EPIRBs, and PLBs First generation EPIRB emergency locator beacons. An emergency position-indicating radiobeacon (EPIRB) is a type of emergency locator beacon for commercial and recreational boats, a portable, battery-powered radio transmitter used in emergencies to locate boaters in distress and in need of ...

  5. Blood gas tension - Wikipedia

    en.wikipedia.org/wiki/Blood_gas_tension

    Arterial blood oxygen tension (normal) P a O 2 – Partial pressure of oxygen at sea level (160 mmHg (21.3 kPa) in the atmosphere, 21% of the standard atmospheric pressure of 760 mmHg (101 kPa)) in arterial blood is between 75 and 100 mmHg (10.0 and 13.3 kPa).

  6. Alcoholic cardiomyopathy - Wikipedia

    en.wikipedia.org/wiki/Alcoholic_cardiomyopathy

    Alcoholic cardiomyopathy (ACM) is a disease in which the long-term consumption of alcohol leads to heart failure. [1] ACM is a type of dilated cardiomyopathy.The heart is unable to pump blood efficiently, leading to heart failure.

  7. Lead poisoning - Wikipedia

    en.wikipedia.org/wiki/Lead_poisoning

    Some health effects, such as high blood pressure, are only significant risks when lead exposure is prolonged (over about one year). [85] Furthermore, the neurological effects of lead exposure have been shown to be exacerbated and long lasting in low income children in comparison to those of higher economic standing. [ 261 ]