Refractory period of Heart | Camosun College - Edubirdie

University:
Camosun College
Course:
NURS132 | Promoting Health and Wellbeing
Academic year:

2023
Views:

105

Pages:

3
Author:

Aysha A

Gensis of &RS comples. QRS complex, 2→ Finst negaling deflection R→ First megabuze positiine " S→ Second negation deflection. R' second positivo deflentes formation of QRS comples. QR is due to mane denotes mentientendar contracting Activation of mytramentinkinlas septimo wall Actiontion of fue wall (RV GLV) Activation. from LV to RV endocardium to oporadicem linna) (bhuwali Ramacie je pot RV free mall Ivs frewall mou because thy a Refractory period of the heart werk wataal •hong refractory period (250ms) compared to muscle (3ms) skeletal •During this period membrane is refractory to fucker stimulation until contraction is over. t lasts langu than muscle contraction. •gives time to heart to relax after each contraction prenento fatigue. elt allowe tinu heart chambers to fill dung disstole before ment contraction. Refractory periód Absoluli fuclong period phase 1- mitway through Phase 3 Relative refractory panód: midway through phase 3-ind of phase 3 Absolute Refractory period. Indice muscle has refractory period that prenents re-stormilation. During this interval, no stimulus of ang strengthe com enculé vardias mune cell. Absolute refractory period of ventricles-250-300ms Aholule efractory period of atmia - 150 ms elatine Refractory period During this, strongu stimulus can stimulate anothe artrin potentid. Relating refractory period B. V: Soms of "atria: 30ms. D

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