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Revision as of 20:05, 25 March 2014 by Vidit Bhargava (talk | contribs)
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Syncope

 
 
 
 
 

Non syncope loss of consciousness

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Known etiology
Cardiovascular
Orthostatic hypotension
Reflex

 

Unknown etiology
Determine if there are any high risk criteria:

 
 
 

Consider additional tests

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

High risk

 

low risk

 

Consider alternative diagnoses

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

High risk

 

low risk

 

Consider alternative diagnoses

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

low risk

 

Consider alternative diagnoses

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

low risk

 

Consider alternative diagnoses

 

low risk

 

Consider alternative diagnoses

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

low risk

 
 
 
 
 
 
 

Characterize the symptoms



DrugAdult dosage
Inhaled Short Acting β Agonists (SABA)
Albuterol/Bitolterol/Pirbuterol
a) Nebulizer solution
b) MDI

♦ 2.5-5 mg every 20 minutes for 3 doses, then 2.5-10 mg every 1-4 hours as needed or 10-15 mg/hour continuously.
♦ 4-8 puffs every 20 mins upto 4 hours, then every 1-4 hours as needed.
Levalbuterol
a) Nebulizer solution
b) MDI

♦ 1.25-2.5 mg every 20 mins for 3 doses, then 1.25-5 mg every 1-4 hours as needed.
♦ 4-8 puffs every 20 mins upto 4 hours, then every 1-4 hours as needed.
Anticholinergics
Ipratropium bromide
a) Nebulizer solution
b) MDI

♦ 0.5 mg every 20 mins for 3 doses, then as needed.
♦ 8 puffs every 20 mins as needed for upto 3 hours.
Ipratropium with albuterol
a) Nebulizer solution (each 3 ml containing 0.5 mg ipratropium and 2.5 mg albuterol)
b) MDI (each puff contains 18 mcg ipratropium and 90 mcg albuterol)

♦ 3 ml every 20 mins for 3 doses, then as needed.
♦ 8 puffs every 20 mins as needed for 3 hours
Systemic corticosteroids
Prednisone/Prednisolone/Methylprednisolone ♦ 40-80 mg/day in 1 or 2 divided doses until peak expiratory flowrate (PEF) reaches 70% of personal best.


Clinical courseUnstable
Physical examination Signs of heart failure
Functional class IV
6MWD Less than 400 m
EchocardiogramRV Enlargement
HemodynamicsRAP high
CI low
BNPElevated/Increasing
TreatmentIntravenous prostacyclin and/or combination treatment
Frequency of evaluation Q 1 to Q 3 months
FC assessment Every clinic visit
6MWT Every clinic visit
Echocardiogram2Q 6 to Q 12 months/center dependent
BNPcenter dependent
RHCQ 6 to Q 12 months or clinical deterioration