EKG test - NW Hospital Exam Review/ Qs & Ans/ Already Graded A+.

EKG test - NW Hospital Exam Review/ Qs &
Ans/ Already Graded A+.
what is the range for the PRI? - Answer: 0.12-0.20 seconds


what is the range for the QRS interval? - Answer: 0.06 - <0.12 seconds


what is the range for the QT interval? - Answer: 0.32 - 0.44 seconds (for HR in the 60-100's)


what does depolarization mean? - Answer: contraction of the heart




what is the normal rate for normal sinus rhythm?


what are the treatments? - Answer: HR: 60-100


Tx: monitor patient and VS

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, what is the normal rate for sinus tachycardia?


what are the treatments? - Answer: HR: 100-150


tx: treat the underlying cause - fever, pain, hypotension, hyperparathyroidism, hypoxia, drugs,
caffeine, anxiety


what is the normal HR for bradycardia?


what are the treatments? - Answer: HR: below 60


Treatments:
•Asymptomatic: monitor & observe for progression •Treat the underlying cause (d/c meds such
as digoxin, beta blockers, etc.)


•Symptomatic: Consider Atropine & pacemaker/ epi or dopamine drip


what is the HR for sinus arrhythmia?


what are the treatments? - Answer: HR: Rate is normal or bradycardic


Tx: treat the underlying cause and monitor patient for further progression


what is the HR for sinus arrest?


what are the treatments? - Answer: HR: Heart rate usually slow but may be normal


Tx: Same as for symptomatic bradycardia (Atropine, pacing)


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