ED physicians who work casually (less than 0.25 Full Time Equivalent) 
ED Physicians who are routinely using U/S guided RA for hip fracture patients, or decline participation in the trial. 
Patients' age less than 65 years; 
Patients who are delirious on initial assessment by ED physician or severe dementia 
Patients with communication problems (critically ill, unconscious, language barrier despite use of secure telephone-based translation service) 
Patients with allergies to narcotics or local anesthetic; or anticoagulant use (e.g. warfarin, dabigatran, rivaroxaban). 
Patients with hip fractures not requiring surgery (e.g. greater trochanter avulsion) will also be excluded.       
    

NCT02892968_exc_T3
Value
less than 65 years
NCT02892968_exc_T4
Person
age
NCT02892968_exc_T5
Condition
delirious
NCT02892968_exc_T6
Temporal
on initial assessment
NCT02892968_exc_T7
Reference_point
initial assessment
NCT02892968_exc_T8
Condition
dementia
NCT02892968_exc_T9
Qualifier
severe
NCT02892968_exc_T10
Condition
communication problems
NCT02892968_exc_T12
Condition
critically ill
NCT02892968_exc_T13
Condition
unconscious
NCT02892968_exc_T14
Condition
language barrier
NCT02892968_exc_T15
Scope
critically ill, unconscious, language barrier
NCT02892968_exc_T16
Condition
allergies
NCT02892968_exc_T17
Drug
narcotics
NCT02892968_exc_T18
Drug
local anesthetic
NCT02892968_exc_T19
Scope
narcotics or local anesthetic
NCT02892968_exc_T20
Drug
anticoagulant
NCT02892968_exc_T21
Drug
warfarin
NCT02892968_exc_T22
Drug
dabigatran
NCT02892968_exc_T23
Drug
rivaroxaban
NCT02892968_exc_T24
Scope
warfarin, dabigatran, rivaroxaban
NCT02892968_exc_T25
Condition
hip fractures
NCT02892968_exc_T26
Procedure
surgery
NCT02892968_exc_T27
Qualifier
requiring surgery
NCT02892968_exc_T28
Negation
not
NCT02892968_exc_T29
Condition
greater trochanter avulsion
NCT02892968_exc_T31
Scope
hip fractures not requiring surgery