Chapter 36 - Shock Flashcards
1
Q
Possible causes of shock in an unhealthy adult
A
CHF Renal failure Uncontrolled HTN Uncontrolled DM Obesity Electrolyte imbalance Drug toxicity Stroke
2
Q
Possible causes of shock in a pediatric patient
A
Trauma Chest wall injury Fluid loss Spinal cord injury Anaphylaxis Heart disease
3
Q
What does cardiac output depend on?
A
Inotropy, chronotropy, and preload
4
Q
Mean arterial pressure (MAP)
A
Function of total CO and total PVR
Represents average pressure in the vascular system that perfumes the tissue
Reflects the relative time spent in each portion of cardiac cycle
5
Q
What is the MAP formula
A
MAP = diastolic pressure + 1/3 pulse pressure
6
Q
What are the 4 stages of shock
A
Vasoconstriction
Capillary and venule openings
Disseminated intravascular coagulation
Multiple organ failure
7
Q
Possible causes of shock for a healthy adult
A
Coronary syndromes Respiratory arrest Anaphylaxis Drowning Traumatic hemorrhage Spinal cord injury Electrocution Hypothermia Toxic exposures Pulmonary embolus
