NUR 254 Chap 26

NUR 254 Chap 26
1. Dysrhythmias
Answer
Disorders of formation or conduction (or both) of electrical im- pulses within heart
Can cause disturbances of Rate
Rhythm
Both rate and rhythm
Potentially can alter blood flow and cause hemodynamic changes*** ekg will not tell thiss
Diagnosed by analysis of electrographic waveform
2. depolarization
Answer
electrical stimulation
3. repolatization
Answer
electrical relaxation
4. reload
Answer
volume and stretch of the myocardium and end of diastole
5. afterload
Answer
amnt ot pressure L ventricle must work to open
6. systole
Answer
ventricular contraction- depolarization
7. diastole
Answer
ventricle relaxation