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Intro. to Airway Management -- CPR Lecture
First quarter airway management info. for AA students
37
Other
Graduate
08/30/2010

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Term
Cardiac Arrest
Definition
a medical emergency with inadequate contraction of the left ventricle, resulting in body-wide circulatory failure.
Term
Signs of cardiac arrest
Definition
loss of consciousness
shallow breathing/apnea
very low BP
no pulse that can be felt
no heart sounds
Term
Causes of cardiac arrest
Definition
-coronary heart disease
-bradycardia
-electrocution
-respiratory arrest
-trauma
-no known cause
Term
Pulmonary Arrest
Definition
Not breathing; Apnea
Term
Causes of pulmonary arrest
Definition
upper airway obstruction
CNS depression
more common in kids
Term
Upper Airway Obstruction
Definition
any occlusion of the upper airway at the level of the pharynx
Term
Causes of upper airway obstruction
Definition
CNS depression
disease conditions that compress upper airway
Term
Causes of CNS depression
Definition
-decreased cardiac output
-stroke
-head trauma
-drug overdose
-hypoxemia
-anesthesia
Term
Peripheral Causes of airway obstruction
Definition
-congenital abnormalities
-infections like epiglottitis
-tumors
-trauma
-foreign body
-burns
Term
CPR
Definition
Cardiopulmonary resuscitation
Term
Brain Death
Definition
4-6 minutes after cardiac arrest if CPR is not initiated
Term
Sudden cardia arrest is most often caused by...
Definition
Ventricular Fibrillation
Term
BLS Guidelines
Definition
-arrive on scene
make sure safe environment, assess injury, determine state of consciousness, activate EMS, roll onto back.
Term
BLS airway guidelines
Definition
1-open airway
2-head tilt/chin lift
3-jaw thrust (if suspected trauma to head/neck)
Term
BLS Breathing guidelines
Definition
Look, listen, & feel for breathing
no breathing=respiratory arrest
Term
Rescue Breaths
Definition
Give 2 rescue breaths
-500-600 mL tidal vol. for adults
-6-7mL/kg with kids
use O2 and barrier device if available
Term
BLS guidelines for circulation
Definition
check pulse: <10 seconds
adults & kids--carotid
Infants--brachial
pulseless=cardiac arrest
Term
Chest compressions
Definition
force applied to lower half of sternum.
creates blood flow by increasing intrathoracic pressure and directly compressing heart.
Term
BP obtained via chest compressions
Definition
60-80 mmHg
Term
Chest compression timing and force
Definition
depress sternum 1.5-2 inches
100 compressions/min
Term
CPR Rhythm
Definition
30 compressions for every 2 breaths
If 2 rescuers, switch every 5 cycles
Term
Defibrillation
Definition
delivery of current to the heart to depolarize myocardial cells to stop V-fib
Term
Types of defibrillators
Definition
Monophasic
Biphasic
AED - automated external defibrillator
Term
AED use
Definition
it will tell you if a shock should be delivered
resume CPR immediately after AED use
check AED every 5 cycles
Term
Recovery Position
Definition
true lateral position
decreases risk of aspiration and helps maintain patent airway
only use if vic is unconscious but breathing with good circulation
Term
Rescue breathing
Definition
if vic has good circulation but is apneic or struggling to breathe
adults: 1 breath/5 seconds
kids: 1 breath/3 seconds
check pulse every 2 min.
Term
Asphyxia
Definition
Usual cause of arrest in peds
Term
Causes of death in infants/kids
Definition
-drowning is #2 cause from unintentional injury
-respiratory failure
-SIDS
-Sepsis
-neurologic disease
Term
Pediatric BLS: Lone rescuer
Definition
shout for help & perform CPR for 5 cycles before activating EMS
Term
Witnessed collapse of a child
Definition
get AED & call 911 before CPR
Term
Pediatric chest compression
Definition
lone rescuer- 30:2
2 rescuer- 15:2
Term
Drowning (special considerations)
Definition
water is not a FBAO
provide CPR for at least 5 cycles before activating EMS
Term
Hypothermia: special considerations
Definition
assess pulse and breathing for longer due to slowed metabolic rate (30-45 seconds)
Term
Choking signs
Definition
apneic, silent cough, cyanosis, inability to speak, choking sign
Term
Steps to take with choking adults
Definition
activate EMS
abdominal thrusts
back blows in parturients
Term
Pediatric signs of choking
Definition
coughing
gagging
stridor
wheezing
Term
Infant choking
Definition
5 back blows, 5 chest thrusts
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