L2 Environmental Flashcards
Cost of work injuries
2x more frequent than home injuries, $25 billion
Factors that affect chemical injuries
What percent are children
Concentration Liberation Absorption Distribution Metabolism Excretion 60% are children
Anaphylaxis is most associated with
antibiotics (penicillin)
Asprin overdose
Kids: 2-4 grams
Adults: 10-30grams
Respiratory alkalosis followed by metabolic acidosis
Tylenol overose
15-20grams
liver failure over several hours to days
Lead exposure problems
High affinity for enzymes making hemoglobin
Microcytic hypochomic anemia
Allowable lead blood levels
5 ug/dL
Lead exposure for adults
peripheral neuropathies (wristdrop, footdrop)
Factors affecting thermal burns (5)
Percent of body removed (9s..50% is death) Depth Internal injuries Age How fast/well was it treated
Shock associated with 30-40 % burn
Hypovolemic shock
Skin changes after radiation
2-3 days: erythema
2-3 weeks: edema
4-6 weeks: blistering
Month-Yrs: Atrophy, Cancers
Cell changes after radiations
Hrs: lymphocytes
weeks-months:rebound
1-2 weeks: Granulocytes
2-3 months: Rebound
Fatal Acute radiation syndromes
Hematopoietic 2-10 sv, 2-6 weeks
GI: 10-20 sv, 1-2 weeks weeks
Cerebral: 50sv, 1-4 hrs
Lethal radiation range
2Sv
7Sv is certain death
Marasmus
What is it
How to tell
Deficiency in caloric intake
Somatic department depleted
Weight is less than 60% of normal