Acute Asthma Excerbation

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Mind Map on Acute Asthma Excerbation, created by alicia.davidson2 on 14/04/2014.
alicia.davidson2
Mind Map by alicia.davidson2, updated more than 1 year ago
alicia.davidson2
Created by alicia.davidson2 over 12 years ago
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Resource summary

Acute Asthma Excerbation
  1. Pathophysiology
    1. Allergen
      1. IgE production
        1. Mast cell degranulation
          1. Release of histamine, bradykinies, leukotrienes, prostaglandin, platelet activating factor
            1. Mucosal inflammation
              1. Airway obstruction
                1. Activation of lung receptors triggering hyperventation
                  1. No change in PaCO2
                    1. Air trapping increases pressure and decreases the perfusion in alveoli
                      1. Ventilation decreases
                        1. PaCO2 increases, pH decreases
                          1. Respiratory acidosis
                    2. PaCO2 decreases, pH increases
                      1. Respiratory alkalosis
                2. Mucous secretion
                  1. Bronchoconstriciton
                    1. Vasodilation of capillaries
                      1. Mucosal edema
            2. Risk Factors
              1. Asthma history
                1. Smoking
                  1. Children
                    1. Environmental factors
                      1. Recent viral or bacterial infection
                        1. Noncompliance to asthma medication
                        2. Clinical Presentation
                          1. Wheezing
                            1. Chest Tightness
                              1. Dyspnea
                                1. Coughing
                                  1. Respiratory distress
                                  2. Diagnosis
                                    1. Arterial blood gases
                                      1. Pulmonary function test
                                        1. Blood work
                                        2. Treatment
                                          1. Bronchodilator
                                            1. Steroids
                                              1. Antihistamine
                                                1. Ventilator/Oxygen
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