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Basic Dysrhythmia Review Questions & Answers

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normal sinus rhythm (NSR) Criteria: (PR, QRS, QT, Rhythm: reg or irreg) - ANSWERS1 P-wave for Every QRS, REGULAR rhythm PR: 0.12-0.20 QRS: 0.06-0.10 BBB = > 0.12 QT: 0.36-0.44 BPM: 60-100 Sinus Bradycardia Criteria: (PR, QRS, QT, Rhythm: reg/irreg) - ANSWERSPR: 0.12-0.20 QRS: 0.06-0.10 QT: 0.36-0.44 BPM: < 60 (Reg. rate) Tx: Atropine 0.5mg, Pace, Dopamine 2-10 mcg/kg/min, Epie 2-10 mcg/min Sinus Tachycardia Criteria: (PR, QRS, QT, Rhythm: reg/irreg) - ANSWERSPR: 0.12-0.20 QRS: 0.06-0.10 QT: 0.36-0.44 BPM: 100-150 (Reg. rate, P wave may merge with T-wave) Cause: fear, anxiety, hypoxia, sepsis, hypovolemia, infection Sinus Arrhythmia Criteria: (PR, QRS, QT, Rhythm: reg/irreg) - ANSWERSPR: 0.12-0.20 QRS: 0.06-0.10 QT: 0.36-0.44 BPM: HR increase w/ inspiration, HR decrease w/expiration P-P interval lengthen and shorten with respirations Irreg Rhythm NO TX Sinus Pause Criteria: (PR, QRS, QT, Rhythm) - ANSWERSPR: 0.12-0.20 QRS: 0.06-0.10 QT: 0.36-0.44 Irregular rhythm Short Pause: no TX; Long/Freq. Pause & symptomatic = TX like Sinus Brady Premature Atrial Contraction (PAC) - ANSWERSHeart Rate: Depends on underlying rhythm Regularity: Interrupts the regularity of underlying rhythm P-Wave: can be flattened, notched, or unusual. May be hidden within the T wave PRI: measures between .12-.20 seconds and can be prolonged; can be different from other complexes QRS: <.12 seconds TX: none, check Lytes, precursor for A-Fib/Flutter Atrial Fibrillation (A-Fib) (PR, QRS, QT, RHYTHM, TX) - ANSWERSPR: Can't Measure *NO P WAVE* QRS: 0.06-0.10 QT: May/May Not be Measurable Rhythm: IRREGULARLY IRREGULAR Rate: Atrial >400 BPM Tx: Diltiazem (Cardizem), Amiodarone, Beta Blocker (Lopressor), Digoxin, Anti-Coag (Heparin), Cardiovert Atrial Flutter (PR, QRS, QT, RHYTHM, TX) - ANSWERSPR: Can't Measure *NO P WAVE* QRS: 0.06-0.10 QT: Can't Measure Rhythm: Ventricular Rate = Reg. Atrial = Irreg Atrial Rate 250-400 Ventricular: count QRS "Saw Tooth/Flutter Waves" Tx: Same as A-Fib paroxysmal atrial tachycardia (PAT) (PR, QRS, QT, RHYTHM, TX) - ANSWERSan episode that begins and ends abruptly during which there are very rapid and regular heartbeats that originate in the atrium PR: 0.12-0.20 QRS: 0.06-0.10 QT: 0.36-0.44 Atrial Rate: 150-250 Reg Vent Rate: 150-250 Tx: Adenosine, Diltiazem, vagal, Cardiovert Premature Junctional Contraction (PJC) (PR, QRS, QT, RHYTHM, TX) - ANSWERSRate: Normal or accelerated 60-100 P wave: *Inverted Before/After QRS, Absent* PR: 0.12-0.20 QRS: normal 0.06-0.10 QT: 0.36-0.44 Conduction: normal rhythm: irregular: PICs occur early in cycle of baseline rhythm NO TX: check E-Lytes -an ectopic pacemaker in the AV Junction produces PJC's

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Institution
Basic Dysrhythmia
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Basic Dysrhythmia








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Basic Dysrhythmia
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Basic Dysrhythmia

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Written in
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Basic Math Ability Exam A Relias
Questions & Answers
The physician has written an order for a medication, 3,000 units to be given SQ. You
have on hand 5,000 units/mL. You will administer _______mL. - ANSWERS3000/5000
*1
= 0.6mL

The surgeon orders for 75 mg of a medication to be given IV push. The medication is
available in a concentration of 125 mg/2 mL. You will administer ____mL to the patient.
(record your answer using one decimal place) - ANSWERS1.2

The sliding scale order states: [FORMULA: (BG-100)÷30]= number of units of insulin to
be given. At 1600 the patient's blood glucose is 150. You will administer _____ units of
insulin (round to the nearest whole number). - ANSWERS150-100/30
=1.66
rounded to nearest whole number = 2

Your patient's blood glucose is 302 mg/dL. The sliding scale order is to administer
insulin using this formula: [FORMULA: (BG-100)÷40]= number of units to administer.
Based upon your patient's glucose, you should administer ____ units of insulin. (round
to the nearest whole number) - ANSWERS302-100/40
=5.05
rounded = 5

The physician has ordered a medication to be given 0.05 mg/kg/day in 1,000 mL of
fluid. The patient weighs 246 lbs. The dose added to the 1,000 mL bag of fluid should
be _____ mg. (round your answer to one decimal place) - ANSWERS0.05*111.5 (the
weight in kg)
= 5.575mg a day
=5.6

The surgeon orders a medication 1.5 gms IV. The pharmacy delivers the medication as
1.5 grams in 150 mL IV solution to be infused over 90 minutes. The rate of the infusion
is____mL/hr. - ANSWERS100

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