Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
75 Cards in this Set
- Front
- Back
|
shock
|
hypoperfusion
|
|
|
perfusion
|
sufficient circulation to meet cell needs
|
|
|
sphincters
|
regulate blood flow in capilaries
|
|
|
autonomic nervous system
|
regulated involuntary body functions
|
|
|
blood pressure
|
provides a rough measure of perfusion
|
|
|
anaphylaxis
|
severe allergic reaction
|
|
|
septic shock
|
severe bacterial infection
|
|
|
syncope
|
fainting
|
|
|
compensated shock
|
early stage of shock
|
|
|
severe allergic reaction
|
anaphylaxis
|
|
|
hypoperfusion
|
shock
|
|
|
regulates involuntary body functions
|
autonomic nervous system
|
|
|
early stage of shock
|
compensated shock
|
|
|
mid stage of shock
|
uncompensated shock
|
|
|
late stage to shock
|
irreversible shock
|
|
|
provides rough measure of perfusion
|
blood pressure
|
|
|
severe bacterial infection
|
septic shock
|
|
|
sufficient circulation to meet cell needs
|
perfusion
|
|
|
regulate blood flow to capillaries
|
sphincters
|
|
|
fainting
|
syncope
|
|
|
shock refers to
|
a state of collapse and failure of the cardiovascular system
|
|
|
blood flow through capillary beds is regulated by
|
capillary sphincters
|
|
|
the autonomic system regulates involuntary functions such as
|
sweating
digestion constriction and dilation of capillary sphincters |
|
|
regulation of blood flow is determined by
|
cellular need
|
|
|
perfusion requires having a working cardiovascular system as well as
|
adequate oxygen excahnge in the lungs
adequate nutrientes in for form of glucose in the blood adequate waste removal |
|
|
the action of hormones such as ephnephrine and norepinephrine stimulates ______ to maintain pressure in the system and as a result perfusion of all vital organs
|
increase in heart rate
increase in the strength of cardiac contractions vasoconstriction in nonessential areas |
|
|
basic causes of shock include
|
poor pump function
blood or fluid loss blood vessel dilation |
|
|
noncardiovascular causes of hock include respiratory insufficiency and
|
anaphylaxis
|
|
|
____ develops when the heart muscle can no longer generate enough pressure to circulate the blood to all the organs
|
cardiogenic shock
|
|
|
neurogenic shock usually results from damage to the spinal cord at the
|
cervical level
|
|
|
in septic shock
|
there is insufficient volumne in the container
fluid leaked to respiratory system larger than normal vascular bed for smaller volumne |
|
|
neurogenci shock is caused by
|
a radical change in the size of the vascular system
|
|
|
hypovolemic shock is a result of
|
low volume
|
|
|
an insufficient concentration of ___ in the blood can produce shock as rapidly as vascular causes
|
oxygen
|
|
|
in anaphylactic shock, the combination of poor oxygenation and poor perfusion is a result of
|
widespread vasodilation
|
|
|
you should suspect shock in a cases of
|
multiple severe fractures
severe infection abdominal or chest injury |
|
|
when treating a suspected shock patient, vital signs should be recorded approximately every ___ mins
|
five
|
|
|
the golden period refers to the first 60 mins after
|
the injury occurs
|
|
|
signs of cardiogenic shock include
|
cyanosis
nausea anxiety |
|
|
____ is a sudden reaction of the nervous system that produces temporary vascular dilation and faiting
|
psychogenic shock
|
|
|
TF life threatening allergic reaction can occur in response to almost any substance a patient may encounter
|
True
|
|
|
TF bleeding is the most common cause of cardiogenic shock following an injury
|
false
|
|
|
TF shock occurs when oxygen and nutrients cannot get to the bodys cells
|
True
|
|
|
TF a person in shock left untreated will most likely survive
|
false
|
|
|
TF compensated shock is related to the last stages of shock
|
false
|
|
|
TF an injection of epinephrine is the only really effective treatment for anaphylactic shock
|
true
|
|
|
TF septic shock is a combination of vessel and content failure
|
true
|
|
|
TF metabolism is the cardiovascular systems circulation of blood and oxygen to all cells in different tissues and organs of the body
|
false
|
|
|
TF shock occurs only with massive blood loss from the body
|
false
|
|
|
TF decompensated shock occurs when the systolic blood pressure falls below 120 mm Hg
|
false
|
|
|
____ refers to the failure of the cardiovascular system
|
hypoperfusion or shock
|
|
|
pressure in the arteries during ____ is known as systolic pressure
|
cardiac contraction
|
|
|
the body responds to shock by directing blood flow away from organs that are more _____ of low flow
|
tolerant
|
|
|
blood pressure is a rough measure of
|
perfusion
|
|
|
the cardiovascular system consists of ____,___ and ____
|
pump, container, liquid
heart, vessels, blood |
|
|
inadequate circulation that does not meet the bodys need is known as
|
hypoperfusion
|
|
|
____ are circular muscle walls in capillaries, causing the walls to ___ and ____
|
sphincters,
contract dilate |
|
|
___ pressure occurs during cardiac relaxation, while ____ pressure occurs during cardiac contractions
|
diastolic, systolic
|
|
|
____ pressure is the pressure in the blood vessels at all times
|
Blood
|
|
|
the autonomic nervous system controls the ____ actions of the body
|
involuntary
|
|
|
a balance of all body systems
|
homeostasis
|
|
|
the force against which the heart pumps
|
afterload
|
|
|
a swelling of a part of an artery, resulting from weakening of the arterial wall
|
aneurysm
|
|
|
a condition in which the body temp falls below 95
|
hypothermia
|
|
|
the precontraction pressure in the heart as the volumne of blood builds up
|
preload
|
|
|
the presence of abnormally large amounts of fluid between cells in body tissues causing swelling of the affected area
|
edema
|
|
|
circulatory failure caused by paralysis of the nerves that control the size of the blood vessels is called ___ shock
|
neurogenic
|
|
|
causes signs and symptoms and treatments
anaphylactic shock |
severe allergic reation
mild itch/rash, vascular dilation, general edema, coma, death manage airway, assist vent, high oxygen, assist with epi, transport promptly |
|
|
causes signs and symptoms and treatments
cardiogenic shock |
inadequate heart function, disease of muscle tissue, impaired electrical system
chest pain, irregular pulse, weak pulse, low blood pressure, cyanosis, cool clammy skin, anxiety, pulmonary edema position comfortably, administer O2, assist vent, rapid transport |
|
|
causes signs and symptoms and treatments
hypovolemic |
loss of blood or fluid
rapid pulse, weak pulse, low BP, change in mental status, cyanosis, increased respiration rate secure airway, assist vent, high O2, elevate legs, keep warm, rapid transport |
|
|
causes signs and symptoms and treatments
neurogenic shock |
damaged cervical spine causing wide spread vasodilation
slow pulse, low BP, signs of neck injury secure airway, spinal stabilization, assist vent, high O2, keep warm, rapid transport |
|
|
causes signs and symptoms and treatments
psychogenic shock |
temporary vasodilation caused by bad news, sight of blood, severe pain, illness
rapid pulse, normal or low BP determine duration of unconsciousness, check vitals, check head injury from fall, transport promptly |
|
|
causes signs and symptoms and treatments
septic shock |
severe bacterial infection
warm skin, tachycardia, low BP transport promptly, administer O2 enroute, provide full vent supprot, elevate legs, keep warm |
|
|
three basic physiologic causes of shock
|
pump failure
blood or fluid loss in vessels poor vessel function (dialation_ |
|
|
signs and symptoms of decompensated shock
|
falling BP, labored or irregular breathing, ashen or cyanotic skin, thready peripheral pulse, dull eyes, dilated pupils,
|
