Web5 nov. 2024 · Small squares are 1 mm across and represent 0.04 seconds. The large squares measure 5 mm across and represent 0.2 seconds. 10 mm in height is equal to 1mV in voltage. Interpreting these values will help you determine if the heartbeat is irregular, or too fast or too slow. [2] 2 Find the QRS complex and label it on the handout. Webhow many seconds is each box worth on an EKG? little box .04 seconds large box .2 seconds P wave? QRS? T wave? +/- ? p wave - atrial depolarization (+) QRS - ventricular depolarization (Q -, R +, S +) T wave - ventricular repolarization (+) where should ST segment be located on an EKG? if it's located in a diff spot, what does that mean?
ECG rate and rhythm Osmosis
WebDetermine EKG 2nd step ---Count the small boxes for R-R interval. --- Divide this number into 1500 to determine heart rate. P wave ---0.06-0.11 seconds --- atria are contracting, pumping blood into the ventricles. PR ---0.12 to 0.20 seconds Weblocated in walls of right atrium and inter-atrium septum SA node rate 60-100 bpm also the range for NSR Atrial foci rate + what is it 60-80 bpm cells in atrium Junctional foci rate + what is it 40-60bpm AV node Ventricular foci rate + what is it 20-40bpm cells in bundles/purkinje absolute refractory period vs relative fishing cartoons funny
Intro to EKG Flashcards Quizlet
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