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Pediatric Pulmonary Emergencies
History
INDICATIONS FOR ENDOTRACHEAL INTUBATION
HOW TO INTUBATE
HOW TO EXTUBATE
What do you look for first when a pediatric patient presents to you in respiratory distress?
What are some of the tools that physicians can use to work through and manage respiratory distress in children?
UNDERSTANDING EQUIPMENT
Respiratory Distress
Hemoptysis
Acute Bronchitis and Upper Respiratory Tract Infections
Community-Acquired Pneumonia, Aspiration Pneumonia, and Noninfectious Pulmonary Infiltrates
Empyema and Lung Abscess
Spontaneous and Iatrogenic Pneumothorax
Acute Asthma in Adults
Chronic Obstructive Pulmonary Disease

Pulmonary disease have only 6 Symptoms…
• Dyspnea
• Cough
• Sputum production
• Hemoptysis
• Wheeze
• Chest pain

What is Dyspnea?
Chronic dyspnea is defined as dyspnea lasting more than one month.
When is dyspnea an emergency?
• When the patient is:
– Hypoxic

"Eupnea" describes normal, unlabored breathing.
"Dyspnea" - difficulty breathing
"Tachypnea" - Rapid breathing
"Bradypnea" - Slow breathing
"Apnea" - NO breathing

TABLE 1

Differential Diagnosis of Dyspnea
Cardiac
Congestive heart failure (right, left or biventricular)
Coronary artery disease
Myocardial infarction (recent or past history)
Cardiomyopathy
Valvular dysfunction
Left ventricular hypertrophy
Asymmetric septal hypertrophy
Pericarditis
Arrhythmias
Pulmonary
COPD
Asthma
Restrictive lung disorders
Hereditary lung disorders
Pneumothorax
Mixed cardiac or pulmonary
COPD with pulmonary hypertension and cor pulmonale
Deconditioning
Chronic pulmonary emboli
Trauma
Noncardiac or nonpulmonary
Metabolic conditions (e.g., acidosis)
Pain
Neuromuscular disorders
Otorhinolaryngeal disorders
Functional
- Anxiety
- Panic disorders
- Hyperventilation
COPD=chronic obstructive pulmonary disease.
(Table 2).

TABLE 2
History and Physical Examination Clues to Conditions That Cause Dyspnea
Findings Condition

History
Dyspnea on exertion Cardiac or pulmonary disease, deconditioning
Dyspnea during rest Severe cardiopulmonary disease or noncardiopulmonary disease (e.g., acidosis)
Orthopnea, paroxysmal nocturnal dyspnea, edema Congestive heart failure, chronic obstructive pulmonary disease
Medications Beta blockers may exacerbate bronchospasm or limit exercise tolerance. Pulmonary fibrosis is a rare side effect of some medications
Smoking Emphysema, chronic bronchitis, asthma
Allergies, wheezing, family history of asthma Asthma
Coronary artery disease Dyspnea as anginal equivalent
High blood pressure Left ventricular hypertrophy, congestive heart failure
Anxiety Hyperventilation, panic attack
Lightheadedness, tingling in fingers and perioral area Hyperventilation
Recent trauma Pneumothorax, chest-wall pain limiting respiration
Occupational exposure to dust, asbestos or volatile chemicals Interstitial lung disease
Physical examination
Anxiety Anxiety disorder
Nasal polyp, septal deviation Dyspnea due to nasal obstruction
Postnasal discharge Allergies/asthma
Jugular vein distention Congestive heart failure
Decreased pulse or bruits Peripheral vascular disease with concomitant coronary artery disease
Increased anteroposterior chest diameter Emphysema
Wheezing Asthma, pulmonary edema
Rales Alveolar fluid (edema, infection, etc.)
Tachycardia Anemia, hypoxia, heart failure, hyperthyroidism
S3 Congestive heart failure
Murmur Valvular dysfunction
Hepatomegaly, hepatojugular reflux, edema Congestive heart failure
Cyanosis, clubbing Chronic severe hypoxemia

S3=third heart sound.

The differential diagnosis of chronic dyspnea in adults is presented in Table 3.8 The underlying cause of dyspnea cannot be determined by the duration or severity.9 Approximately two thirds of cases of dyspnea are caused by a pulmonary or cardiac disorder.10 Asthma, congestive heart failure, COPD, pneumonia, cardiac ischemia, interstitial lung disease, and psychogenic conditions (e.g., generalized anxiety disorder, panic disorders, post-traumatic stress disorder) are the cause of dyspnea in 85 percent of patients with this principal symptom.9,11 In one study9 of patients with dyspnea that was unexplained by history, physical examination, chest radiography, and spirometry, the most common causes of chronic dyspnea were COPD, congestive heart failure, psychogenic causes, and deconditioning.

TABLE 1
Differential Diagnosis of Chronic Dyspnea

Cardiac

Congestive heart failure

Coronary artery disease

Cardiac arrhythmias

Pericardial disease

Valvular heart disease

Pulmonary

Chronic obstructive pulmonary disease

Asthma

Interstitial lung disease

Pleural effusion

Malignancy (primary or metastatic)

Bronchiectasis

Noncardiac or nonpulmonary (less common)

Thromboembolic disease

Psychogenic causes (GAD, PTSD, panic disorders)

Deconditioning

Pulmonary hypertension

Obesity (massive)

Severe anemia

Gastroesophageal reflux disease

Metabolic conditions (acidosis, uremia)

Liver cirrhosis

Thyroid disease

Neuromuscular disorders (myasthenia gravis, amyotrophic lateral sclerosis)

Chest wall deformities (kyphoscoliosis)

Upper airway obstruction (laryngeal disease, tracheal stenosis)


GAD = generalized anxiety disorder; PTSD = post-traumatic stress disorder.

TABLE 2
History and Physical Examination Clues to Causes of Dyspnea
Findings Clinical conditions

Intermittent breathlessness; triggering factors; allergic rhinitis; nasal polyps; prolonged expiration; wheezing

Asthma

Significant tobacco consumption; barrel chest; prolonged expiration; wheezing

Chronic obstructive pulmonary disease

History of hypertension, coronary artery disease, or diabetes mellitus; orthopnea; paroxysmal nocturnal dyspnea; pedal edema; jugular vein distention; S3 gallop; bibasilar rales; wheezing

Congestive heart failure

History of generalized anxiety disorder, post-traumatic stress disorder, obsessive-compulsive disorder, panic disorder; intermittent symptoms; sighing breathing

Anxiety disorder; hyperventilation

Postprandial dyspnea

Gastroesophageal reflux disease; aspiration; food allergy

Hemoptysis

Lung neoplasm; pneumonia; bronchiectasis; mitral stenosis; arteriovenous malformation

Recurrent pneumonia

Lung cancer; bronchiectasis; aspiration

Drug exposure

Beta blockers aggravating obstructive airway disease

Amiodarone (Cordarone)/nitrofurantoin (Furadantin): pneumonitis

Methotrexate (Rheumatrex): lung fibrosis

Illicit drugs (e.g., heroin): talcosis

History of immunosuppressive disease or therapy; acquired immunodeficiency syndrome

Opportunistic infections: protozoal (Pneumocystis carinii pneumonia); bacterial (tuberculosis; Legionella); viral (cytomegalovirus); or fungal (Aspergillus)

Exposure to inorganic dust, asbestos, or volatile chemicals

Pneumoconiosis; silicosis; berylliosis; coal workers lung; asbestosis

Organic exposure to dust (birds, mushrooms)

Hypersensitivity pneumonitis (bird fancier's lung)

Accentuated P2; right ventricular heave; murmurs

Pulmonary hypertension

Abnormal inspiratory or expiratory sounds heard best over the trachea

Central airway obstruction; vocal cord paralysis; laryngeal tumor; tracheal stenosis

Localized, decreased, or absent breath sounds

Pleural effusion; atelectasis; pneumothorax