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Shock NUR 265 exam questions and answers 2024
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Shock NUR 265 exam questions and answers 2024
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Shock NUR 265 exam questionsand answers 2024
What is shock
A state of inadequate tissue perfusion that impairs cellular function
Any condition that compromises the delivery of oxygen to organs
and tissues can lead to shock!
Shock if not treated will lead to organ failure and death!
Types of shock
Cardiogenic
Hypovolemic
Distributive
Anaphylactic Shock
Septic Shock
Obstructive
Cardiac Tamponade
Tension Pneumothorax
Superior Vena Cava Syndrome
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Cardiogenic shock
Occurs when either systolic or diastolic dysfunction of the pumping
action of the Heart results in reduced cardiac output (CO)
Mortality rates range from 50% - 85%
Systolic dysfunction
Systolic Dysfunction
Inability to pump blood forward
Examples
MI
Diastolic dysfuntion
,Diastolic Dysfunction
Inability of the heart to fill
Examples
Pericardial Tamponade
Ventricular Hyperthrophy
Cardiomyopathy
Structural factors of dysrhythmia
Dysrhythmias
Structural Factors
Examples
Valvular Stenosis
Regurgitation
Ventricular Septal Rupture
Tension Pneumothorax
Cardiogenic shock patho
Cardiovascular symptoms
Due to decreased cardiac output
"Capillary Refill Time
Tachycardia
Decreased B/P
Myocardial oxygen consumption
Chest Pain may or may not be present
Increase In SVR"
Pulmonary symptoms
Due to increased pulmonary wedge pressure
"Tachypnea, Cyanosis
Crackles, Rhonchi"
Renal symptoms
Due to lack of perfusion
"IncreasedNA+ and H20 Retention
Decreased Renal Blood Flow
decreased Urine Output"
, Skin
Decreased perfusion
"Pallor
Cool, Clammy"
Neurologic symptoms
Decreased cerebral perfusion
"Decreased Cerebral perfusion
Anxiety, Confusion
Agitation"
Gastrointestinal
Decreased gi perfusion
"Decreased Bowel Sounds
Nausea/ Vomiting"
Diagnostic findings
Decreased Cardiac Markers
Increased Lactateb
Increased BNP
Cardiogenic shock pic
Puke and chest pain
Horrible sign because blood is very quickly being shunted away from
the heart
Usually non stemi MI
Hypovolemia shock
Occurs after a loss of intravscular fluid volume
Results in:
Decreased Venous return to the heart
Decreased Preload
Decreased Stroke Volume
Decreased Cardiac Output
Hallmarks Signs Of Shock
Decreased Tissue Perfusion and impaired cellular metabolism
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