Smoke inhalation Flashcards
Parenchymal injury
- Injury to lung tissue which is usually delayed
- Alveolar collapse
- Risk of pneumonia
Systemic toxicity 2 most relevant gases?
CO and Cyanide
What does cyanide smell like?
Almonds
How much more affinity to hgb does CO bind?
260 x
What gas can lead to myocardial ischemia?
CO poisoning
What are the two arteries that supply blood to the brain?
Internal carotid and Vertebral Basilar Arteries
acute neurologic injury that occurs as the result of the interrupted blood flow to the brain
Stroke
4 subtypes of ischemic stroke?
- Thrombotic
- Embolic
- Systemic hypoperfusion
- Narrowing of lumen
Risk factors of stroke?
HTN, atherosclerosis and age
TIA
transient episode of neurologic dysfunction caused by focal brain, spinal cord, or retinal ischemia, without acute infarction
** NO acute infarction
defined as neurological dysfunction caused by focal brain, spinal cord, or retinal ischemia with infarction (tissue death) of
CVA
Only way to differentiate between hemorrhagic and ischemic?
MRI
2 types of hemorrhagic stroke?
Intracerebral - directly into brain tissue
Subarachnoid hemmorange - subarachnoid space
Difference between intracerebral and SAH?
Intracerebral symptoms onset is slower
Tx for stroke?
O2 and resp rate
Flat position for 24 hours
Blood pressure management?
Lower by 15% if above 220/120
What are you using for BP lowering?
Labetolol
Monitor BP every 15 minutes
Dispo?
MEDEVAC
Layers of the aorta?
- Intima
- Media
- Adventitia
Risk factors for AAA?
SMOKERS
Family history
Classic findings for AAA?
(a) Abdominal pain often located in the flank.
(b) Hip pain, tenesmus, urinary symptoms have also been described.
(c) Can present with limb ischemia (reduced blood flow distally).
(d) Classic triad of AAA is pain, hypotension and pulsatile mass.
Classic triad of AAA?
severe pain, hypotension and pulsatile mass
Imaging for AAA?
US
CT - gold standard
Tx for AAA?
IV - ONLY enough to maintain perfusion
O2
Monitor
Pain control
