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NURS 480 Exam 2 Questions And Accurate Answers
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NURS 480 Exam 2 Questions And Accurate Answersatenolol- ANSWER decreases heart rate, heart beats slower and with less force
dilates veins which decreases blood pressure
usually administered to clients with:
- atrial fibrillation
side effects:
- hypotension
- bradycardia
- dizziness
atropine- ANSWER increases heart rate and improves atrioventricular conduction by
blocking the parasympathetic influences on the heart
used as initial treatment for:
- symptomatic 3rd degree AV blocks
- sinus bradycardia
- asystole
epinenphrine- ANSWER increases heart rate and effectiveness of lungs therefore
oxygenation
increases BP & blood sugar
used for:
• ventricular tachycardia
• ventricular fibrillation
• asystole
,warfarin - ANSWER oral anticoagulant used to treat and prevent blood clots
clients must be aware of bleeding risks & bleeding longer from cuts
nitroglycerin - ANSWER vasodilator relieve chest pain
side effect:
• hypotension
morphine - ANSWER reserved for clients in:
• myocardial ischemia
side effects:
• respiratory depression
• constipation
lisinopril - ANS ACE inhibitor used to treat hypertension and heart failure
education:
- take with food or milk
- check pulse before taking medication
- report angioedema
- flushing of skin or persistent cough is normal
characteristics of sinus tachycardia - ANS ventricular & atrial rate:
- between 100-120 bpm
ventricular & atrial rhythm:
- regular
, QRS shape & duration:
- usually normal
P wave:
- normal and consistent shape
- always in front of the QRS but may be buried in the T wave
PR interval:
- consistent interval between 0.12-0.20 seconds
P:QRS ratio:
- 1:1
sinus tachycardia causes - ANSWER stress
- acute blood loss
- anemia
- shock
- pain
- hyper/hypovolemia
meds that stimulate sympathetic response
POTS syndrome
sinus tachycardia management - ANSWER vagal maneuvers
- carotid sinus massage
- gagging
- bearing down (as if having a bowel movement)
- forceful and sustained coughing
- applying cold stimulus to the face
- adenosine
- beta blocks & calcium channel blockers
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