STABLE

SYMPTOMATIC

UNSTABLE

Stable blood pressure

Infants:

Heart rate greater than 220 beats per minute

Restlessness

Children and Adolescents:

Heart rate greater than 180-220 beats per minute

Chest pain

Pallor

Palpitations

"Jittery" feeling

Increased respiratory rate

Stable blood pressure

Infants:

Diaphoresis

Initial lethargy

In addition to:
Heart rate greater than 220
restlessness
poor feeding
irritability
pallor
vomiting

Children and Adolescents:

Dizziness

Weakness

Orthostatic hypotension

Near-syncope

In addition to:
heart rate greater than 180-220
chest pain
pallor
palpitations
"jittery" feeling

Hypotension

Respiratory Distress

Acidosis

Hepatomegaly

Decreased level of consciousness

Congestive heart failure

Cardiovascular collapse

Uncompensated shock

In addition to:
Heart rate greater than 220 (infants)
Heart rate greater than 180 (children and adolescents)
pallor