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Study sets matching "hemorrhage and shock"

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Study sets matching "hemorrhage and shock"

67 terms
Hemorrhage and Shock
Your patient is a 15-year-old who was…
Hemorrhage
Internal hemorrhage... Higher morbidity a…
What is the probable cause of his shock?... Is this compensated…
Disruption or "leak" in vascular system
external hemorrhage
Your patient is a 15-year-old who was…
What is the probable cause of his shock?... Is this compensated…
Hemorrhage
Disruption or "leak" in vascular system
186 terms
hemorrhage and shock
shockss
homeostasis
splat
hemorrhage
a state of inadequate tissue perfusion
A tendency to maintain a balanced or constant internal state;…
s=street, p=pelvis, l=legs, a=adomen, t=thoracic
Excessive or profuse bleeding
shockss
a state of inadequate tissue perfusion
homeostasis
A tendency to maintain a balanced or constant internal state;…
64 terms
hemorrhage and shock
hemostasis
thrombosis
fibrinogen
Gp1b
normal clotting... physiological
abnormal clotting... involves formation of blood clot within int…
helps aggregation of platelets
helps adhesion of platelets
hemostasis
normal clotting... physiological
thrombosis
abnormal clotting... involves formation of blood clot within int…
22 terms
Hemorrhage and Shock
What is the definition of hemorrhage?
What is petechiae?
What happens during hemostasis?
Thromboxane A2
Extravasation of red blood cells out of the blood vessel
Pinpoint blood spots from bleeding, Indicator of strangulation
1) Vasoconstriction (short duration)... 2) Endothelial cell inju…
Platelet aggregator
What is the definition of hemorrhage?
Extravasation of red blood cells out of the blood vessel
What is petechiae?
Pinpoint blood spots from bleeding, Indicator of strangulation
23 terms
Hemorrhage and Shock
Frank Starling's Law
Parasympathetic Nervous System
Sympathetic Nervous System
Erythrocytes
Greater stretching of the heart muscle equals increases contr…
Slows rate, Vagus Nerve
Increases rate, Cardiac Plexus
45% of Blood volume; RBCs
Frank Starling's Law
Greater stretching of the heart muscle equals increases contr…
Parasympathetic Nervous System
Slows rate, Vagus Nerve
75 terms
Hemorrhage and Shock
Hemostasis (Normal clotting)
Thrombosis (abnormal clotting)
Hemostasis and thrombosis involve thre…
3 steps in clotting
- consequence of highly regulated processes... - maintains blood…
- involves blood clot (thrombus) formation within intact vess…
1) vascular wall... 2) platelets... 3) coagulation cascade
Hemostasis (Normal clotting)
- consequence of highly regulated processes... - maintains blood…
Thrombosis (abnormal clotting)
- involves blood clot (thrombus) formation within intact vess…
67 terms
Hemorrhage and Shock
Your patient is a 15-year-old who was…
Hemorrhage
Internal hemorrhage... Higher morbidity a…
What is the probable cause of his shock?... Is this compensated…
Disruption or "leak" in vascular system
external hemorrhage
Your patient is a 15-year-old who was…
What is the probable cause of his shock?... Is this compensated…
Hemorrhage
Disruption or "leak" in vascular system
64 terms
Hemorrhage & Shock
PT (aka INR)
PTT
BT -Normal time and what can alter it?
Defects of primary hemostasis and mani…
-Efficiency of extrinsic pathway... -Sees if dsyfunction in any…
Efficiency of intrinsic pathway... -Dysfunction in XII, IX, VIII…
-3-9 minutes... -Monitors abnormal platelet function... -Increased…
-Defects in platelets, vWf disease... -Petechiae/Purpura... -Epista…
PT (aka INR)
-Efficiency of extrinsic pathway... -Sees if dsyfunction in any…
PTT
Efficiency of intrinsic pathway... -Dysfunction in XII, IX, VIII…
17 terms
hemorrhage and shock
HEMORRHAGE (bleeding)
causes of hemorrhage (6)
hematoma
purpura
discharge/escape of blood from blood vessels into the surroun…
- trauma to large blood vessels due to surgical procedures or…
bleeding into soft tissues
diffuse, superficial hemorrhages in the skin, as large as 1cm
HEMORRHAGE (bleeding)
discharge/escape of blood from blood vessels into the surroun…
causes of hemorrhage (6)
- trauma to large blood vessels due to surgical procedures or…
28 terms
HEMORRHAGE AND SHOCK
SHOCK
Hemorrhage
Circulatory System
Stroke volume
A state of inadequate tissue perfusion
Blood Loss
Two sided pump with four valves and four chambers
Amount ejected from heart
SHOCK
A state of inadequate tissue perfusion
Hemorrhage
Blood Loss
77 terms
Hemorrhage and Shock
Aerobic metabolism
afterload
aggregate
aldosterone
the second stage of metabolism, requiring the presence of oxy…
the resistance a contraction of the heart must overcome in or…
to cluster or come together
hormone secreted by the adrenal cortext that increases sodium…
Aerobic metabolism
the second stage of metabolism, requiring the presence of oxy…
afterload
the resistance a contraction of the heart must overcome in or…
19 terms
Hemorrhage and Shock
Define Hemorrhage.
List causes of hemorrhage.
Define Hematoma.
Define Purpura.
A discharge or escape of blood from the blood vessels into th…
Trauma to large blood vessels due to surgical procedures or f…
Bleeding into the soft tissues
Diffuse, superficial hemorrhages in the skin, as large as 1cm.
Define Hemorrhage.
A discharge or escape of blood from the blood vessels into th…
List causes of hemorrhage.
Trauma to large blood vessels due to surgical procedures or f…
9 terms
Hemorrhage and Shock
Hemorrhage
Shock
Types of Hemorrhage
Body's Response to Hemorrhage
Internal or external bleeding
Inadequate tissue perfusion; hypoperfusion
- Capillary ... - Venous ... - Arterial
- Vascular ... - Platelet ... - Coagulation
Hemorrhage
Internal or external bleeding
Shock
Inadequate tissue perfusion; hypoperfusion
20 terms
Hemorrhage and shock
Circulatory shock
Hypovolemic shock
Class one hemorrhagic shock
Class two hemorrhagic shock
Cardiovascular dysfunction associated with inadequate tissue…
Shock due to loss of blood volume.
Loss of 0 to 15%. Mild tachycardia. No serious change in bloo…
Loss of 15 to 30% of blood. Heart rate greater than 100. Tach…
Circulatory shock
Cardiovascular dysfunction associated with inadequate tissue…
Hypovolemic shock
Shock due to loss of blood volume.
Hemorrhage and Shock
What is a Hemorrhage?
What is Homeostasis?
What is Shock?
Types of Hemorrhage
- Abnormal internal or external loss of blood from the closed…
- Tendency of the body to maintain a steady and normal intern…
- Inadequate tissue perfusion... - Transitions between homeostas…
Capillary... - Oozes from wound... - Clots quickly... Venous... - Flows…
What is a Hemorrhage?
- Abnormal internal or external loss of blood from the closed…
What is Homeostasis?
- Tendency of the body to maintain a steady and normal intern…
19 terms
Hemorrhage and Shock
Define Hemorrhage (bleeding)
Causes of Hemorrhage
Define hematoma
Define Purpua
A discharge or escape of blood from the blood vessels into th…
- Trauma to large blood vessels due to surgical producers or…
Bleeding into the soft tissues
Diffuse, superficial hemorrhage in the skin, as large as 1 cm
Define Hemorrhage (bleeding)
A discharge or escape of blood from the blood vessels into th…
Causes of Hemorrhage
- Trauma to large blood vessels due to surgical producers or…
74 terms
Hemorrhage and Shock
aerobic metabolism
afterload
aggregate
aldosterone
...
...
...
...
aerobic metabolism
...
afterload
...
23 terms
Hemorrhage/Shock
Perfusion
Hypoperfusion
Shock
Stroke Volume
Ability of the cardiovascular system to pump oxygenated blood…
Inadequate perfusion of body tissues resulting in inadequate…
A state of inadequate tissue perfusion.
The amount of blood ejected by the heart in one cardiac contr…
Perfusion
Ability of the cardiovascular system to pump oxygenated blood…
Hypoperfusion
Inadequate perfusion of body tissues resulting in inadequate…
67 terms
Hemorrhage and Shock
Defects of primary hemostasis (platele…
Defects of secondary hemostasis (coagu…
Generalized defects involving small ve…
Bleeding Disorders caused by Vessel Ab…
-small skin or mucosal bleeds (petechiae and purpura) ... -epist…
-bleeds into soft tissues (muscle and joints) ... -bleeding into…
-palpable purpura and hematomas ... -ecchymoses
-relatively common but not cause severe bleeding... -present in…
Defects of primary hemostasis (platele…
-small skin or mucosal bleeds (petechiae and purpura) ... -epist…
Defects of secondary hemostasis (coagu…
-bleeds into soft tissues (muscle and joints) ... -bleeding into…
12 terms
Hemorrhage and Shock
Causes of circulatory shock
Classes of Hemorrhagic shock
What's difference by shock and Heart f…
Understand the COMPENSATORY mechanisms…
1.hypovolemic shock: reduced blood volume (hemorrhage, trauma…
I: <15% of blood volume lost so little/no tachycardia, no cha…
shock is when you don't have enough CO to meet demands of tis…
There are neural reflexes and Hormonal reflexes. Neural are q…
Causes of circulatory shock
1.hypovolemic shock: reduced blood volume (hemorrhage, trauma…
Classes of Hemorrhagic shock
I: <15% of blood volume lost so little/no tachycardia, no cha…
22 terms
Hemorrhagic Shock
Shock
Categories of shock
Hypovolemic Shock
Blood loss consequences
Acute failure of the CVS to adequately perfuse tissues and su…
Low stroke volume... Vasodilation
Low stroke volume... Cause: dec Blood volume... Due to : Hemorrhage…
Normal blood volume: ~5L 65% in veins... 5-10% loss: No change i…
Shock
Acute failure of the CVS to adequately perfuse tissues and su…
Categories of shock
Low stroke volume... Vasodilation
30 terms
Chapter 19 Hemorrhage and Shock
Clotting
Vascular phase
Aggregate
Platelet phase
The body's three step response to stop the loss of blood
First step in the clotting process in which smooth blood vess…
To cluster or come together
Second step in the clotting process in which platelets adhere…
Clotting
The body's three step response to stop the loss of blood
Vascular phase
First step in the clotting process in which smooth blood vess…
43 terms
Hemodynamics 2: Hemorrhage and Shock
What is Hemostasis?(review)
What is the difference between a Prima…
What is Thrombosis?(review)
What three components are invovled in…
Normal clotting... Physiologic processes that permits formation…
Primary Hemostasis involves the formation of a weak platelet…
Abnormal Clotting
Vascular wall... Platelet... Coagulation cascade
What is Hemostasis?(review)
Normal clotting... Physiologic processes that permits formation…
What is the difference between a Prima…
Primary Hemostasis involves the formation of a weak platelet…
52 terms
15 Hemorrhage & Hypovolemic shock
shock
shock occurs because of
prolonged shock can lead to
most common form of shock
inadequate supply of oxygen or nutrients to tissues
poor tissue perfusion; decreased cardiac output; problems in…
multi-organ failure
hypovolemic
shock
inadequate supply of oxygen or nutrients to tissues
shock occurs because of
poor tissue perfusion; decreased cardiac output; problems in…
21 terms
Hemodynamics 2: Hemorrhage & Shock
How many platelets is considered throm…
What is anti-CD20 Ab used for?
less than 100,000
Treating chronic immune thrombocytopenia
How many platelets is considered throm…
less than 100,000
What is anti-CD20 Ab used for?
Treating chronic immune thrombocytopenia
56 terms
Edema, Hemorrhage, Shock
As blood flows from arteries to capill…
As blood flows from capillaries to vei…
Shape of the velocity of blood flow cu…
Where is the largest total vascular cr…
decreases
increases
concave up
capillaries
As blood flows from arteries to capill…
decreases
As blood flows from capillaries to vei…
increases
23 terms
Hemorrhage, Thrombosis, and Shock
Causes of Bleeding
Thrombocytopenia and Bleeding
Why Might these Animals Bleed?
Virchow's Triad
1. Defects in primary hemostasis (platelet number and/or func…
Bleeding does not cause a severe thrombocytopenia; a severe t…
Liver disease or failure?... -No coagulation factors... -Coagulatio…
Create a convergence of a risk of thrombosis or bleeding.... 1.…
Causes of Bleeding
1. Defects in primary hemostasis (platelet number and/or func…
Thrombocytopenia and Bleeding
Bleeding does not cause a severe thrombocytopenia; a severe t…
12 terms
Hemorrhage and shock- unit 7
Hemorrhage
Capillary bleeding
Venous bleeding
Arterial bleeding
The loss of blood from the closed vascular system because of…
Generally oozes from the wound and usually stops and clots on…
Flows more quickly then capillary, will stop in a few. Genera…
Flows very rapidly... Often spurting. Well oxygenated and bri…
Hemorrhage
The loss of blood from the closed vascular system because of…
Capillary bleeding
Generally oozes from the wound and usually stops and clots on…
48 terms
CH.19 - Hemorrhage and Shock
Frontal-impact motor vehicle collision…
distributive
Frank-Starling law of the heart.
Anaerobic metabolism
For which of the following mechanisms of injury should you ma…
Anaphylactic shock is a form of ________ shock.
The increase in myocardial contraction as a result of increas…
Which of the following mechanisms is responsible for accumula…
Frontal-impact motor vehicle collision…
For which of the following mechanisms of injury should you ma…
distributive
Anaphylactic shock is a form of ________ shock.
49 terms
Hemorrhage and shock- unit 8
External hemorrhage
Internal hemorrhage
Hemostasis
Clotting
Bleeding through thr skin, you can visualize the bleeding
Bleeding inside the body and hidden from the naked eye, highe…
Commonly referred to clotting and is a physiological response…
The process of _____ has 4 main elements: ... 1) local vasoconst…
External hemorrhage
Bleeding through thr skin, you can visualize the bleeding
Internal hemorrhage
Bleeding inside the body and hidden from the naked eye, highe…
20 terms
Hemorrhage, Thrombosis, and Shock
defects in primary hemostasis, defects…
vasculature, flow, blood
hydrostatic pressure, oncotic pressure…
petechiae
five causes of spontaneous bleeding
factors in Virchow's triad
two main forces driving fluid shifts in the EC space
pinpoint size hemorrhages
defects in primary hemostasis, defects…
five causes of spontaneous bleeding
vasculature, flow, blood
factors in Virchow's triad
23 terms
Module 5- Hemorrhage and Shock
Hemorrhage
Homeostasis
Types of hemorrhage
Clotting
Abnormal internal or external loss of blood from the closed v…
Tendency of the body to maintain a steady and normal interval…
Capillary- oozes from wound, clots quickly on its own ... Venous…
Bodies response to local hemorrhage
Hemorrhage
Abnormal internal or external loss of blood from the closed v…
Homeostasis
Tendency of the body to maintain a steady and normal interval…
40 terms
hemorrhage and vascular shock
hemorrhage is loss of different amount…
the purpose of acute compensations is…
respones to hypovolemic shock- is hema…
respones to hypovolemic shock- is cvp…
false... hemorrhage is loss of whole blood, proportionally the…
mean arterial blood pressure in order to insure adequate cere…
no it is not changed in hypovolemia
yes, it is reduced
hemorrhage is loss of different amount…
false... hemorrhage is loss of whole blood, proportionally the…
the purpose of acute compensations is…
mean arterial blood pressure in order to insure adequate cere…
116 terms
Circulation and Hemorrhage and Shock
All cells require energy to function,…
Aerobic metabolism
Anaerobic metabolism
Shock is a result of
ATP molecules.
- Oxygen is required for efficient production of ATP (energy).
- Inadequate oxygen results in decreased ATP... production and a…
inadequate energy production to sustain life.
All cells require energy to function,…
ATP molecules.
Aerobic metabolism
- Oxygen is required for efficient production of ATP (energy).
19 terms
Hemodynamics hemorrhage and shock
PITT and PET (tests)
Primary hemorrhagic disorder
Secondary hemorrhagic disorder
Generalized small vessels
PTT - measures intrinsic pathway: factore VIII and IX (christ…
Primary - PLTs or vonWillebrand disease... Petechia and purpur…
Secondary - coagulation factors... Bleeding in muscles and joi…
Ruptures in vessels, palpable purpura and hematomas all the f…
PITT and PET (tests)
PTT - measures intrinsic pathway: factore VIII and IX (christ…
Primary hemorrhagic disorder
Primary - PLTs or vonWillebrand disease... Petechia and purpur…
10 terms
Edema, Hemorrhage, Congestion, and Shock
edema (definition)
infarction (def)
hyperemia
lymph drains to _________ and eventual…
increased fluid in the ECM
death of tissue without blood supply
increased flow
thoracic duct... L subclavian v.
edema (definition)
increased fluid in the ECM
infarction (def)
death of tissue without blood supply
32 terms
path- hemorrhage and shock
hemorrhage =
5 causes of hemorrhage
hemorrhagic diatheses =
3 types of hemorrhagic diatheses=
bleeding
1. trauma, surgery ... 2. weakened artery ... 3. infections (pulmon…
spontaneous hemorrhage that affects capillaries
1. thrombocytopenia ... 2. severe decrease in platelets ... 3. defi…
hemorrhage =
bleeding
5 causes of hemorrhage
1. trauma, surgery ... 2. weakened artery ... 3. infections (pulmon…
19 terms
Cardio - Hemorrhage and Shock - Wilson
The definition of Cardiogenic Shock is…
Hypovolemic shock is due to...
Hemorrhagic Shock is due to....
Plasma Loss Shock is due to...
CV dysfunction associated w/ inadequate tissue perfusion of t…
reduced blood volume
loss of blood outside the body
Hyperpermeability or burn
The definition of Cardiogenic Shock is…
CV dysfunction associated w/ inadequate tissue perfusion of t…
Hypovolemic shock is due to...
reduced blood volume
40 terms
Trauma- Circulation & Hemorrhage & Shock
Metabolism
• Aerobic metabolism
• Anaerobic metabolism
Shock
All cells require energy to function, and that... energy is stor…
Oxygen is required for efficient production of ATP... (energy).
Inadequate oxygen results in decreased ATP... production and acc…
Result of : inadequate energy production to sustain life... •An…
Metabolism
All cells require energy to function, and that... energy is stor…
• Aerobic metabolism
Oxygen is required for efficient production of ATP... (energy).
45 terms
Vascular Hemorrhage & Shock
Hemostasis
Platelet
Vascular injury
Platelet lifespan
- Vascular integrity... - Platelet number + fxn... - Coagulation
megakaryocyte cytoplasm... - Enucleated, granules
- vasoconstriction... - Exposure of subendothelial matrix w/…
4-6 days
Hemostasis
- Vascular integrity... - Platelet number + fxn... - Coagulation
Platelet
megakaryocyte cytoplasm... - Enucleated, granules
18 terms
Trauma hemorrhage/shock
CO -
Bp
Of COURSE falls
Baroreceptors
HR X SV
CO X PVR
Increase in HR... Inotropy... Construction of vessels to maintain…
Located in carotid artery/aortic arch... Sense BP ... Signals med…
CO -
HR X SV
Bp
CO X PVR
35 terms
Mod 5: Hemorrhage & shock
Hemorrhage
Homeostasis
Shock
Types of hemorrhage
Abnormal internal or external loss of blood from the closed v…
Tendency of the body to maintain a steady and normal internal…
Inadequate tissue perfusion... Transition between homeostasis an…
Capillary... Venous... Arterial
Hemorrhage
Abnormal internal or external loss of blood from the closed v…
Homeostasis
Tendency of the body to maintain a steady and normal internal…
30 terms
434 Hemorrhage to Shock
Results from occurrence of blood loss-…
fluid moves out of the vascular into t…
sudden reduction of the total blood vo…
trauma, surgery complications, vascula…
Hemorrhage
Relative hypovolemia
Hypovolemic Shock
risk factors
Results from occurrence of blood loss-…
Hemorrhage
fluid moves out of the vascular into t…
Relative hypovolemia
40 terms
Trauma- Circulation & Hemorrhage & Shock
Metabolism
• Aerobic metabolism
• Anaerobic metabolism
Shock
All cells require energy to function, and that... energy is stor…
Oxygen is required for efficient production of ATP... (energy).
Inadequate oxygen results in decreased ATP... production and acc…
Result of : inadequate energy production to sustain life... •An…
Metabolism
All cells require energy to function, and that... energy is stor…
• Aerobic metabolism
Oxygen is required for efficient production of ATP... (energy).
19 terms
Cardio Qs: Shock/Hemorrhage
What are the 4 types of circulatory sh…
What are the 4 ways that hypovolemic s…
What is the most common cause of hypov…
What are the 2 types of vasogenic shock?
1. hypovolemic shock... 2. vasogenic shock... 3. cardiogenic shock…
1. hemorrhage... 2. burns... 3. surgery and trauma... 4 severe diarrhe…
hemorrhage
1. septic shock... 2. anaphylaxis
What are the 4 types of circulatory sh…
1. hypovolemic shock... 2. vasogenic shock... 3. cardiogenic shock…
What are the 4 ways that hypovolemic s…
1. hemorrhage... 2. burns... 3. surgery and trauma... 4 severe diarrhe…
18 terms
Wilson - Hemorrhage and Circulatory Shock
Define Shock
Causes of CV shock
Define Class I Hemorrhage. Sx.
Define Class II hemorrhage. Sx
CV dysfunction with inadequate tissue perfusion from reduced CO
hypovolumia: from hemorrhage, trauma. ... Spetic Shock: toxins,…
Loss of 0-15% volume. ... Mild reflex tachycardia w/o change in…
Loss of 15-30% of volume. ... HR > 100 BPM w/ tachypnea, decreas…
Define Shock
CV dysfunction with inadequate tissue perfusion from reduced CO
Causes of CV shock
hypovolumia: from hemorrhage, trauma. ... Spetic Shock: toxins,…
56 terms
Perfusion: Hemorrhage to Shock
Hemorrhage
Hypovolemic Shock
Four Types of Shock: Cardiogenic
Four Types of Shock: Hypovolemic
Results from the occurrence of acute blood loss
Can be the result of hemorrhage, which can cause a sudden red…
At risk... CHF, MI, bypass
Absolute... Relative
Hemorrhage
Results from the occurrence of acute blood loss
Hypovolemic Shock
Can be the result of hemorrhage, which can cause a sudden red…
38 terms
Hemorrhage, Thrombosis & Shock
extravasation of blood
pinpoint hemorrhage on skin, MM, seros…
petechiae hemorrhage seen when there a…
hemorrhage larger than 1cm
hemorrhage
petechiae
platelets
ecchymoses
extravasation of blood
hemorrhage
pinpoint hemorrhage on skin, MM, seros…
petechiae
52 terms
Shock/Hemorrhage/trauma
S&S for shock
Weakness
Thirst
Pallor
Weakness, thirst, Pallor, tachycardia, diaphoresis, Tachypnea…
Caused by tissue hypoxia and acidosis
Caused by Hypovolemia
Catecholamine induced vasoconstriction & loss of RBCs
S&S for shock
Weakness, thirst, Pallor, tachycardia, diaphoresis, Tachypnea…
Weakness
Caused by tissue hypoxia and acidosis
Hemorrhage, hemostasis, shock
Hemorrhage
External hemorrhage
Contusion
Abrasion
The escape of blood from a vessel
-Laceration... -abrasion... -contusion
Injured tissue or skin in which blood capillaries have been r…
Scraping or wearing away
Hemorrhage
The escape of blood from a vessel
External hemorrhage
-Laceration... -abrasion... -contusion
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