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7 Cards in this Set

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  • Back
COPD
CHRONIC OBSTRUCTIVE LUNG DISEASE
CAL=CHRONIC AIRFLOW LIMITATION
COPD=CHRONIC OBSTRUCTIVE PULMONARY DISEASE
PERSISTANT OBSTRUCTION OF BRONCHIAL AIRFLOW
-BRONCHIAL ASTHMA
-CHRONIC BRONCHITIS
-PULMONARY EMPHYSEMA
TAKES 20-30-40 YRS TO PROGRESS
AIRWAY OBSTRUCTION IS CAUSED BY:
-BRONCHOSPASMS
-INCREAESED MUCOUS PRODUCTION
-DECREASED CILIARY ACTION (AFFECTS EXPIRATION)
AIR TRAPPING
HYPOXEMIA
HYPERCAPNIA (HIGH CO2)
CHRONIC HYPOXEMIA LEADS TO
HYPOXIA
HOW DOES PT WITH COPD DIE
RESP FAILURE,CARDIAC FAILURE,SUICIDE
CAUSES OF EMPHYSEMA
-CHRONIC IRRITATION OF LUNGS
(SMOKING)
-INHALED IRRITANTS
-HEREDITARY:ALPHA,ANTI TRYPSIN DEFICIENCY
NORMALLY INHIBITS ENZYMES THAT DESTROY TISSUE
GENETIC
ANATOMICAL CHANGES WITH EMPHYSEMA
-IMBALANCE BETWEEN PROTEASE
-DESTROYING ENZYME AND PROTEASEE
INHIBITORY ENZYMES
-DECREASED AVEOLI (REDUCED SURFACE AREA FOR GAS EXCHANGE)