Changes

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'''Timing''' - Based on the temporal development, '''PE''' can be characterized as chronic ("F**k!"), subacute ("Holy sh*t!"), or acute ("M**THERF**KER!!).

'''Hemodynamics''' - '''PE''' can be further classified by the presence of hemodynamic stability and R heart strain:

#Intermediate risk - PE present ("Darn!"), hemodynamically stable ("Woohoo!"), right heart strain ("Dagnabbit!")

#High Risk - PE present ("Darn!"), hemodynamically unstable ("Nooooo!!!)

'''Location''' - Classification can also be based on location: saddle (embolus took place while riding a horse), lobar (not sure what that means), segmental (woah...), and subsegmental (them's fancy radiology words!)

'''Symptoms''' - Lastly, '''PE''' can be classified on whether the patient is symptomatic ("We know why you're short of breath") or asymptomatic ("When we scanned your big toe, we did manage to catch a PE in your chest...")