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NR 341 Complex Adult Health Test 1: Questions & Accurate Answers
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NR 341 Complex Adult Health Test 1: Questions & Accurate Answers
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NR 341 Complex Adult Health Test 1: Questions &Accurate Answers
Ps and Qs don't agree Right Ans - Third degree heart block
Third degree block Right Ans - no P wave for every Complex
no constant PR interval
Sx: hypotension, angina, HF
Cause: Rheumatic fever, hypoxia, MI, dig toxicity, beta blocker overdose
Tx: Epi drip to increase heart rate, permanent pacemaker
First degree block Right Ans - prolong PR interval
Cause: hyper/hypokalemia, dig toxicity, Ca.Channel Blockers, amiodarone
Tx: Atropine
Torsades de pointes Right Ans - twisting about the points
cause: alcoholic, anorexia
Sx: hypomagnesemia <1.4, hypokalemia, Tetany, tremors, hyperreflexia
Tx: Mag push, Potassium push
Ventricular Fibrillation Right Ans - uncoordinated and chaotic
Cause: MI
Sx: loss of consciousness, pulseless, sudden death
Tx: 1-check pulse 2-pulseless; CPR/Defib pulse; Epi every 3-5min 1mg
Asystole Right Ans - no ventricular contraction
must be assessed in more than 1 lead
Tx: CPR, epic every 3-5min 1mg,
pulseless electrical activity (PEA) Right Ans - Hs: Hypovolemia, Hypoxia,
Hydrogran ions (acidosis), Hyper/hypokalemia, Hypothermia
Ts: Toxins, Tamponade, Thrombosis (cardiac), Thrombosis (pulmonary),
Tension pneumothorax
Supraventricular Tachycardia (SVT) Right Ans - HR 150-200bpm T&P
merge
Cause: overexertion, stress, stimulants
Tx: 1-vagal maneuver (cough/bear down)
, 2-AV nodal blocking agents (CCB, Beta blockers, amiodaraone)
3-IV adenosine (can cause flat line)
4-Cardioversion
Ventricular tachycardia Right Ans - EMERGENCY!
Sx: lightheadedness, weak, unconscious
Cause: MI, aneurysm, CAD, hyper/hypokalemia, PE
Tx: 1-check pulse/BP
2-stable: amiodarone
unstable: hypotensive w/ pulse=cardiovert
unstable: NO PULSE- CPR/Defib
Sinus tachycardia Right Ans - HR >100bpm
P precedes each QRS complex, normal rhythm
Cause: fever, exercise, anxiety, dehydration, pain, ETOH
Tx: correct cause, beta-olol, CCB -pine
sinus bradycardia Right Ans - HR <60bpm
P precedes each QRS complex, rhythm normal
Cause: athlete, hypothermia, drugs, straining
Sx: syncope, hypotension, fatigue, SOB, pale, CP
Tx: atropine, pacemaker
Premature Atrial contraction (PAC) Right Ans - abnormal p wave
cause: stimulants, hyperthyroid, COPD, infection, HF, hypoxia
Tx: usually none, but possibly procainamide
Atrial Fibrillation Right Ans - "bacon sizzles"
irregularly irregular, can't see p waves
Cause: HF, COPD, sepsis, HTN, mitral stenosis
Sx: palpitations, dyspnea, pulmonary edema (crackle)
Tx: diltiazem, amiodarone
watch for: 1-rate, clots, rhythm
Atrial Fibrillation priority Right Ans - 1-Rate (if HR >140): risk for HF as
ventricles can't refill. Give CCB (verapamil/diltiazem IV gtt)
2-Clots: IV heparin; watch for signs of bleeding
3-Rhythm: antidysrhythmic (amiodarone)
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