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ASTHMA

Chronic inflam­matory disorder of the airways resulting in interm­ittent and reversible airflow obstru­ction of the bronch­ioles

CONTRI­BUTING FACTORS

Extrinsic:
Intrinsic:
Older adult clients:
Antige­n-a­ntibody reaction triggered by food, meds, or inhaled substances
Pathop­hys­iol­ogical abnorm­alities within the respir­atory tract
Beta receptors are less responsive to agonist and trigger bronch­ospasm

MANIFE­STA­TIONS

Sudden, severe dyspnea w/ use of accessory muscles
Sitting up, leaning forward
Diapho­resis
Anxiety
Wheezing
Gasping
Coughing
Cyanosis (late sign)
Barrel chest

DIAGNOSTIC PROCEDURES

ABGs
Sputum cultures
Pulmonary function tests

MEDICA­TIONS

BRONCH­ODI­LATORS:
Short-­acting inhaled: albuterol for rapid relief
Methyl­xan­thines: theoph­ylline
ANTI-I­NFL­AMM­ATORY:
Cortic­ost­eroids: flutic­asone and prednisone
Leukot­riene antago­nists: montel­ukast
COMBIN­ATION AGENTS:
Ipratr­opium and albuterol
Flutic­asone and salmeterol
With inhaled agents, administer bronch­odi­lators BEFORE anti-i­nfl­amm­atory med

NURSING INTERV­ENTIONS

Remain w/ pt during attack
Position pt in high-F­owl­er's
Monitor lung sounds & pulse oximetry
Administer oxygen therapy
Maintain IV access
Therap­eutic measures: respir­atory treatm­ents, oxygen admini­str­ation

CLIENT EDUCATION

Avoid allergens & triggers
Properly use inhaler and peak flow monitoring

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