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Heart block

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      • [...] heart block occurs when there is a delay in the impulse as it travels through the AV node.
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      • What malfunctions in first degree AV heart block?
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      • What indicates first degree AV heart block on an ECG?
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      • [...] AV heart block occurs when the P-R interval lengthens on consecutive beats until there is a dropped QRS complex.
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      • What malfunctions in Mobitz type 1 second AV degree heart block?
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      • What indicates Mobitz type 1 second degree AV heart block on an ECG?
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      • [...] heart block occurs when QRS complexes are skipped intermittently without being preceded by P-R interval prolongation.
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      • What malfunctions in Mobitz type 2 second degree heart block?
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      • What indicates Mobitz type 2 second degree AV heart block on an ECG?
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      • [...] heart block occurs when there is a complete dissociation between P and QRS complexes on an ECG.
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      • What malfunctions in third degree AV heart block?
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      • What indicates third degree AV heart block on an ECG?
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      • [...] heart block occurs when conduction through the left ventricle is delayed so that the right ventricle contracts before the left.
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      • What malfunctions in left bundle branch heart block?
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      • How is first degree AV heart block treated?
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      • [...] heart block occurs when only every second or third P wave conducts to the ventricles.
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      • What malfunctions in 2:1/3:1 (advanced) AV heart block?
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      • What indicates 2:1/3:1 (advanced) AV heart block on an ECG?
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      • [...] heart block is also called Wenckebach block phenomenon.
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      • Mobitz type 1 second degree AV heart block is also called [...].
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      • Progression from second degree AV block to complete heart block occurs more frequently following Mobitz type [...] block.
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      • How is Mobitz type 1 second degree AV heart block treated?
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      • How is Mobitz type 2 second degree AV heart block treated?
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      • An escape rhythm which originates in the bundle of His below the site of a third degree AV heart block gives rise to a [narrow/wide] QRS complex.
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      • An escape rhythm which originates in the His-Purkinje system below the site of a third degree AV heart block gives rise to a [narrow/wide] QRS complex.
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      • An escape rhythm which originates in the bundle of His below the site of a third degree AV heart block has a rate of [...] bpm.
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      • An escape rhythm which originates in the His-Purkinje system below the site of a third degree AV heart block has a rate [...] bpm.
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      • Does an escape rhythm which originates in the bundle of His below the site of a third degree AV heart block have a reliable rhythm?
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      • Does an escape rhythm which originates in the His-Purkinje system below the site of a third degree AV heart block have a reliable rhythm?
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      • How is third degree AV heart block treated?
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      • [...] heart block occurs when conduction through the right ventricle is delayed so that the left ventricle contracts before the right.
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      • What malfunctions in right bundle branch heart block?
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      • Is right bundle branch heart block always pathological?
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      • Is left bundle branch heart block always pathological?
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