Kelly CS, Andersen CL, Pestian JP. Improved outcomes for hospitalized asthmatic children using a clinical pathway. Ann Allergy Asthma Immunol. 2000;84(5):509–516.

Nievas IFF, Anand KJS. Severe Acute Asthma Exacerbation in Children: A Stepwise Approach for Escalating Therapy in a Pediatric Intensive Care Unit.The Journal of Pediatric Pharmacology and Therapeutics : JPPT. 2013;18(2):88-104. doi:10.5863/1551-6776-18.2.88.

NAEPP: Expert Panel Report 3 (EPR-3): Guidelines for the Diagnosis and Management of Asthma- Summary Report. (2007). [erratum appears in J Allergy Clin Immunol. 2008 Jun;121(6):1330]. Journal of Allergy & Clinical Immunology, 120(5 Suppl): S94-138.

Dr. Cynthia Kelly

//outputs
var calc_output = [];
var rgroup, ppf;

//user inputs
var age = parseFloat(age);
var rr = parseFloat(rr);
var or = parseFloat(or);
var a = parseFloat(a);
var wb = parseFloat(wb);
var d = parseFloat(d);

//final score
var u, rrscore;

//Calculate score for resp rate depending on age range
if (age == 2 || age == 3){
	if (rr <= 34){
		rrscore = 1;
	}else if (rr >= 35 && rr <= 39){
		rrscore = 2;
	}else{
		rrscore = 3;
	}
}else if (age == 4 || age == 5){
	if (rr <= 30){
		rrscore = 1;
	}else if (rr >= 31 && rr <= 35){
		rrscore = 2;
	}else{
		rrscore = 3;
	}
}else if (age >= 6 && age <= 12){
	if (rr <= 26){
		rrscore = 1;
	}else if (rr >= 27 && rr <= 30){
		rrscore = 2;
	}else{
		rrscore = 3;
	}
}else{
	if (rr <= 23){
		rrscore = 1;
	}else if (rr >= 24 && rr <= 27){
		rrscore = 2;
	}else{
		rrscore = 3;
	}
}

//calculate final score
u = rrscore + or + a + wb + d;

if(age > 18 || age < 2){
	u = 'N/A';
	rgroup = 'N/A';
	ppf = 'N/A';
} 
else if(u < 5){
	rgroup = 'Unlikely';
	ppf = 'N/A';
}
else if(u >= 5 && u <= 7){
	rgroup = 'Mild';
	ppf = ">70";
}else if(u >= 8 && u <= 11){
	rgroup = 'Moderate';
	ppf = "50-70";
}else{
	rgroup = 'Severe';
	ppf = "<50";
}

//result for user 
calc_output.push({
	name: 'mini',
	value: u,
	value_text: 'points',
	message: rgroup + " Exacerbation"});

if(age > 18 || age < 2){
calc_output.push({
	name: 'score',
	value: u,
	value_text: 'points',
	message: 'This patient is not in the appropriate age range for this calculator'
});
}else{
	calc_output.push({
	name: 'score',
	value: u,
	value_text: 'points',
	message: 'Pediatric Asthma Score'
	});
}
calc_output.push({
	name: 'group',
	value: rgroup,
	value_text: '',
	message: 'Exacerbation'
});
calc_output.push({
	name: 'ppf',
	value: ppf,
	value_text: '%',
	message: "Percent of peak flow (personal best or predicted)"
});



Pediatric Asthma Score (PAS)

<p>Stratifies asthma severity in children.</p>

Pediatric Asthma Score

<p>Cullen Clark, MD, is a combined emergency medicine/pediatrics resident at Louisiana State University Health Sciences Center in New Orleans. Originally from Louisville, Kentucky, Cullen is a graduate of the University of Louisville School of Medicine. His areas of interest include pediatric emergency medicine, pediatric critical care, pain management in the emergency department, and disaster medicine.</p>

Cullen Clark, MD

The Pediatric Asthma Score stratifies asthma severity in children.

Respiratory Rate

Respiratory Score for Asthma

PIAMA Risk Score

Pediatric Asthma Severity Score

EB Medicine is the premier provider of evidence-based clinical content and CME resources for emergency medicine practitioners.

Listen to the VACO co-creators break down how to use VACO\, what it does\, and what it doesn’t.

Calc Function