Pneumothorax, Noncardiac Pulmonary Edema, Pulmonary Embolus Flashcards
blood clot which migrates from another part of body, typically r side of heart (afib), the pelvis or from a DVT in legs
risk factors include immobility, pregnancy and increasing age
caused by blood clot - elevated D-dimer
pulmonary emboli
can occur 24 to 48 hrs after long bone fx, such s fx of femur, humerus or pelvis
petechial rash to chest and axilla
fat emboli
seen after central line insertion, use of defective IV tubing or diving incidents
signs of r sided HF and continuous drum like mill wheel murmur
air emboli
initial symptom often h/a followed by dry cough and activity intolerance
as condition progresses, rales and hypoxia become severe
severe cases can develop LOC and coma
high altitude pulmonary edema
air in the pleural space from an internal source causing a negative intrapleural pressure and collapse of the lung
may be caused by trauma, barotrauma from diving incidents or explosions
pneumothorax
common in smokers of tall stature btwn 20 and 40
spontaneous pneumothorax
air in the pleural space from an external source/open chest wound
open pneumothorax
ingress of air into the pleural space w/o egress of air causing life-threatening pressure in the pleural space
tension pneumothorax
may be caused by either arterial or venous sources
venous - usually self limiting
arterial - may lose up to 1500 cc of blood causing significant hypovolemia (accumulation of more than 1000 cc blood initially OR more than 200 cc/hr over 2-4 hrs)
hemothorax