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  2. Pacemaker crosstalk - Wikipedia

    en.wikipedia.org/wiki/Pacemaker_crosstalk

    Crosstalk can only occur in a dual chamber or biventricular pacemaker. It happens less often in more recent models of dual chamber pacemakers due to the addition of a ventricular blanking period, which coincides with the atrial stimulus. This helps to prevent ventricular channel oversensing of atrial output.

  3. D-Day Daily Telegraph crossword security alarm - Wikipedia

    en.wikipedia.org/wiki/D-Day_Daily_Telegraph...

    As a result, war-related words including those codenames got into the crosswords; Dawe said later that at the time he did not know that these words were military codewords. On 18 August 1942, a day before the Dieppe raid , 'Dieppe' appeared as an answer in The Daily Telegraph crossword (set on 17 August 1942) (clued "French port"), causing a ...

  4. Pacemaker syndrome - Wikipedia

    en.wikipedia.org/wiki/Pacemaker_syndrome

    [17] [18] [19] The name pacemaker syndrome was first coined by Erbel in 1979. [18] [20] Since its first discovery, there have been many definitions of pacemaker syndrome, and the understanding of the cause of pacemaker syndrome is still under investigation. In a general sense, pacemaker syndrome can be defined as the symptoms associated with ...

  5. Pacemaker failure - Wikipedia

    en.wikipedia.org/wiki/Pacemaker_failure

    Pacemaker failure is the inability of an implanted artificial pacemaker to perform its intended function of regulating the beating of the heart. A pacemaker uses electrical impulses delivered by electrodes in order to contract the heart muscles. [ 1 ]

  6. Code word - Wikipedia

    en.wikipedia.org/wiki/Code_word

    Code word, an element of a codebook designed so that the meaning of the code word is opaque without the code book Code name , a clandestine name or cryptonym used to identify sensitive information password , passcode, codeword, countersign; a word that is a special code for access, to pass a challenge of a sentry

  7. Crossword abbreviations - Wikipedia

    en.wikipedia.org/wiki/Crossword_abbreviations

    The abbreviation is not always a short form of the word used in the clue. For example: "Knight" for N (the symbol used in chess notation) Taking this one stage further, the clue word can hint at the word or words to be abbreviated rather than giving the word itself. For example: "About" for C or CA (for "circa"), or RE.

  8. Ectopic pacemaker - Wikipedia

    en.wikipedia.org/wiki/Ectopic_pacemaker

    An ectopic pacemaker located in the atria is known as an atrial pacemaker and can cause the atrial contraction to be faster. [10] An ectopic pacemaker situated near the AV node and the septum is known as a junctional pacemaker. [11] The pacemaker that is operating in the ventricles is known as the ventricular. [12]

  9. Code word (communication) - Wikipedia

    en.wikipedia.org/wiki/Code_word_(communication)

    In communication, a code word is an element of a standardized code or protocol. Each code word is assembled in accordance with the specific rules of the code and assigned a unique meaning. Code words are typically used for reasons of reliability, clarity, brevity, or secrecy.