hemostatis Flashcards

1
Q

hemostatis

A
  1. vasoconstriction
    2.temporaryhemostatic plug (due to subednothelaial collagen getting exposed this attracts the platelets which change their shape and characteristics and start releasing subatcnes such as ADP AND txa
  2. definitve plt plug

hemostatis is the ifrst stahge of wound healing. it is the immediate repsose where you will see bleeding, local edema

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2
Q

types of hemostasis

A

primary - plt
secondary - coagulation

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3
Q

how do you break down a clot

A

plasminogen gets converted to plasmin by a plasminogen activator like EPA

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4
Q

TEMPORARY HEMOSTAIS

A
  1. tourniquet
  2. elastic compression
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5
Q

permanenet hemostasis

A

vesse ligation

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6
Q

tourinquet

A

it limits NOT STOPS the flow of blood

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7
Q

during surgeries what things can contrinute to bleedingj

A

preocedural factors

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8
Q

what does extrinsic pathway begin with

A

7

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9
Q

what does intrisic begin with

A

12

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10
Q

what is the common agent in both pathways

A

10

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11
Q

whats the difference between intrinsici and extrinsice

A

intrinsic : damage occurred WITHIN blood vessel e.g subendothelial collagen exposed

extrinsic _ damage to the outside of vessel e.g during surgery its cut

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12
Q

which pathway is faster

A

extrinsic

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13
Q

h

A
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