Notes pages 1 & 2 Flashcards
How is CO produced?
Incomplete oxidation of fossil feuls
*gas, wood, coal
CO competes with __ for __ binding site in heme of reduced Hb to decrease O2 saturation of arterial blood. Causes tissue ___
oxygen
Iron
hypoxia
CO forms __-Hb
Carboxy
CO causes “__ __ Cyanosis”
Cherry red
Primary target organs of CO
Brain
Increase Parkinson’s risk
Myocardium (Angina/MI)
Initial Signs and symptoms of CO
Headache and confusion
How to manage CO ingestion
100% O2 or hyperbaric O2
What are some Oxidizing agents?
Nitrous Oxides Nitrates Nitrites Chlorates Some Medications
Developmental deficiency of Methoglobin reductase in neonates can result in ___ (AKA ___ )if fertilizer (ammonium nitrate) contaminated well water is used to mix baby formula
Methglobinemia
Blue baby syndrome
*also aka Chocolate Cyanosis
Strong acids cause ___ necrosis at site of contact with __ formation that prevents deep tissue damage.
Precipitative
Eschar
*Wash w/ running H2O for at least 15 min.
Strong bases cause ___ necrosis at the site of contact
Dissolution
- NO Scar –> progressive, penetrative damage to underlying tissue is possible. H2O for at least 15 mins.
- Wash w/ running
Examples of Salicylates
Acetylsalicylic Acid (Aspirin) Sodium Salicylate
Salicylates are the drug of choice for ___
OA
Salicylates inhibit ___ enzymes –> decreases ___ synthesis –> useful effects
COX
Prostaglandin
Ihibition of COX 1 in gastric mucosa –> decreased __ –> __ __
mucous
gastric ulcers