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Asthma

Signs & Symptoms

 Episodic Wheeze
Ref: Uptodate [ Diagnosis of asthma in adolescents and adults] Harrison [ 1963] Cecil [ 218]
History of allergic rhinitis
Ref: Epocrates [ https://online.epocrates.com/diseases/4432/Asthma-in-adults/Risk-Factors]
History of atopic dermatitis
Ref: Epocrates [ https://online.epocrates.com/diseases/4432/Asthma-in-adults/Risk-Factors]
History of eczema
Ref: Epocrates [ https://online.epocrates.com/diseases/4432/Asthma-in-adults/Risk-Factors]

Physical Examination

 Polyphonic high-pitched Expiratory wheezes
Ref: Epocrates [ https://online.epocrates.com/diseases/4433/Asthma-in-adults/History-Exam]
Polyphonic wheeze
Ref: Uptodate [ Diagnosis of asthma in adolescents and adults]
Expiratory wheezes
Ref: Epocrates [ https://online.epocrates.com/diseases/4433/Asthma-in-adults/History-Exam]

Lab / Serology

 Positive skin prick allergy test
Note: Useful in allergic asthma for identifying allergen and directing immunotherapy.
Ref: Epocrates [ https://online.epocrates.com/diseases/4434/Asthma-in-adults/Diagnostic-Tests]
Elevated eosinophils
Ref: Epocrates [ https://online.epocrates.com/diseases/4434/Asthma-in-adults/Diagnostic-Tests]
Neutrophilia
Ref: Epocrates [ https://online.epocrates.com/diseases/4434/Asthma-in-adults/Diagnostic-Tests]

Imagin Study

 Airflow limitation
Ref: Uptodate [ Diagnosis of asthma in adolescents and adults] Harrison [ 1957]
Air flow obstruction
Ref: Uptodate [ Diagnosis of asthma in adolescents and adults] Harrison [ 1957]
Obstructive pattern
Ref: Uptodate [ Diagnosis of asthma in adolescents and adults] Harrison [ 1957]

Complication

 Positive skin prick test
Ref: Harrison [ 1964] Cecil [ 220]
Pneumothorax
Ref: Harrison [ 1964]

Risk Factors

 Smoking
Ref: Harrison [ 1958]
Obesity
Ref: Harrison [ 1958]

Cause

Other