exam 2 lecture 3 Flashcards

1
Q

IV is least forgiving

A

immediate distribution - no second line of defense
if excipient is acceptable for IV , it is acceptable for other admins
some excipients for other parenteral routes like IM are unacceptable for IV

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2
Q

IV route of admin

A

methods: bolus (push), infusion
site of admin: peripheral vein + central vein
infusion modes of admin: continuous or intermittent admin
IV skips absorption step

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3
Q

venous complications

A

phlebitis: inflammation from irritation of tunica intima of vein.
- mod to severe pain, days to month to subside, limits veins available in future
thrombosis: formation of a blood clot in vein
- pain, swelling, pulmonary embolism

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4
Q

central vein infusion

A

catheter goes through subclavian vein to heart

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5
Q

IM admin

A

sites
delt –> 2 mL
thigh –> 5 mL
glutes –> 5 mL
IM has absorption step

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6
Q

subcutaneous

A

similar IM but volume does not exceed 1.5 mL
absorption slower than IM bc lower vascularization

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7
Q

hypodermoclysis

A

infusion by subcutaneous route

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8
Q

intraspinal

A

intrathecal: into subarachnoid space + cerebrospinal fluid
- bolus direct into CSF, continuous admin not recommended
- med have high potency than epidural (no membrane to cross)
epidural: into space at thoracic or lumbar between dura mater and vertebral canal
- bolus or continuous admin

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