Evaluate volume status
Evaluate for head and neck trauma (related to fall from<unk> l event)
Focus cardiac exam on detecting murmurs (aortic stenosis, mitral regurgitation, tricuspid stenosis)
Evaluate for signs of heart failure
Palpate abdomen for pulsating mass (AAA)
Rectal exam to eval for GI bleed
Thorough neurologic exam
Examine for possible sources of infection
Cardiovascular-mediated<unk> 
Usually occurs without warning (absence of prodrome)
History of structural heart disease
Family history of sudden cardiac death<unk>  during exertion
Chest pain or palpitations associated with<unk> 
Abnormal ECG
Neurally mediated<unk> 
Trigger event (fear/pain, prolonged standing, warm environment)
Prodrome of nausea/vomiting, tunnel vision, lightheadedness, diaphoresis, warmth 
Associated with head movement or pressure on neck
Orthostatic hypotension-mediated<unk> 
After standing up
Change in medications
Usually occurs without warning (absence of prodrome)
History of structural heart disease
Family history of sudden cardiac death<unk>  during exertion
Chest pain or palpitations associated with<unk> 
Abnormal ECG
Trigger event (fear/pain, prolonged standing, warm environment)
Prodrome of nausea/vomiting, tunnel vision, lightheadedness, diaphoresis, warmth 
Associated with head movement or pressure on neck
After standing up
Change in medications
Syncope
Cardiovascular-mediated syncope
Laryngospasm
Dysrhythmias:
Chest pain 
WPW 
Sedation 
Long QT Syndrome/QT prolongation