N283 Stress VS - First two lectures in the course. Miriam Walter was professor. Used course objectives PDF

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First two lectures in the course. Miriam Walter was professor. Used course objectives outlined for each section as well as study guides given prior to major exam....

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Nursing 283 Stress and vital signs ch notes St r e s sc h3 2 Ne u r o l o gi c a lc a u s e so fs t r e s sr e s p o n s e :Amy g d a l at u r n son“ fig hto rfli g ht ”r e s po n s e . Ph y s i o l o g i cr e s p on s e st os t r e s s :a c t i v a t i o no fANS,“ figh to rfli g ht ” . Wa y st oman a g es t r e s s :me d i t a t i o n,e x e r c i s e ,e t c . VSc h a n g e s :i nc r e a s eh e a r tr a t e ,i n c r e a s ec a r di a co ut p u t ,i nc r e a s eBP ,&i nc r e a s e d r e s pi r a t i o ns Ch e mi c a lr e s po n s e s :Hy p o t h a l a mu s( CRHr e l e a s e d )t opi t u i t a r y( ACTHr e l e a s e d )c a us e s VSc h a n g e s c o r t i s o l ,c a t e c h ol a mi ne ss t i mu l a t e db yANS  h y po t h a l a mi ca c t i v a t i o nl e a d st oSNSs t i mul a t i on t r i g g e r sn or / e p ir e l e a s e   VS  Po s t u r al / or t h o s t a t i ch y po t e n s i onTa k eBP1 3mi na p a r ta t3po s i t i o n s( l a y i n g d o wn ,s i t t i n g ,s t a nd i n g )  Hy po t e n s i on :s y s t o l i cBPF ‘til fat, dec ability to detect adolescence pulse102 Heat-byproduct of metabolism Thermoreg heat loss=sweat/vasodilation conservation=shivering/va soconstriction

BP reg by ANS, RAAS, ADH (vasopressin)

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Lifestyle changesmaintain norm weight, diet, dec Na+/alc, exercise HTN pharm: diuretics rid excess fluid, A/B blockers block adrenaline effects, ACE inhibitors prevent vasoconstriction, ARBs angiotensin receptor blockers, Ca+ channel blockers prevent constriction from Ca influx, direct vasodilators

Hypothermia-low body temp Hyperthermia-high body temp Fever, febrile-describes one w/ fever  inc meatab inc O2 demand-HR/resp inc to meet demand Set point FUO-fever of unknown origin Nurs measures for hyperthermia Freq temp readings, ID cause, VS, I&O, cultures before antibiotics if infection, WBCs Tx-nonsteroidal antipyretics (acetaminophen-Tylenol, NSAIDS-ibuprofen-advil) cool sponge bath/blankets, inc fluids, oral hygiene

when O2 low, cardiac output inc to compensate Stress-SNS stim inc HR Pathology Electrolytes Take for 1 min if irreg. Palpcarotid, AP, brachial, radial, etc. Hear AP 4th-5th IC space Assess rate, rhythm (reg/irreg/reg irreg), amp/quality/stren gth/vol (0-3), equality Tachycardia>100 d/t dec BP, O2, inc temp… Bradycardia20/4 Bradypnea...