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pedia - URTI + LRTI
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| Question | Answer |
|---|---|
| How are Acute Respiratory Infections (ARIs) classified? | Upper respiratory tract infections (URIs) or Lower respiratory tract infections (LRIs). |
| What does the upper respiratory tract include? | From the nostrils to the vocal cords in the larynx, including the paranasal sinuses and the middle ear. |
| What does the lower respiratory tract include? | The continuation of the airways from the trachea and bronchi to the bronchioles and the alveoli. |
| What is the definition of Upper Respiratory Tract Infections (URTI)? | Infections affecting the nose, pharynx, and larynx. |
| What is the definition of Lower Respiratory Tract Infections (LRTI)? | Infections affecting the trachea, bronchi, bronchioles, and lungs, and are generally more severe than URTI. |
| List five common types of Upper Respiratory Tract Infections (URTI). | Common Cold, Pharyngitis, Tonsillitis, Sinusitis, and Laryngitis. |
| What is the treatment for the Common Cold? | Supportive care, hydration, and antipyretics. |
| What is the treatment for Pharyngitis? | Symptomatic care, and antibiotics if the cause is bacterial (Group A Streptococcus - GAS). |
| What is the clinical presentation of Sinusitis? | Nasal congestion and facial pain. |
| What is the clinical presentation of Laryngitis? | Hoarseness and a barky cough. |
| What percentage of children experience at least one ear infection before starting school? | 75% of children. |
| What is Acute Otitis Media (AOM)? | Infection of the middle ear with acute onset, along with effusion and signs of Middle Ear (ME) inflammation (e.g., otalgia, distinct erythema or bulging of the Tympanic Membrane). |
| What is Chronic Suppurative Otitis Media? | A perforated Tympanic Membrane (TM) with chronic ear discharge lasting greater than or equal to 3 months. |
| List the three most common bacteria causing Acute Otitis Media (AOM). | Streptococcus pneumoniae, Haemophilus influenzae, and Moraxella catarrhalis. |
| List four risk factors for Acute Otitis Media (AOM). | Young age, frequent contact with other children, orofacial abnormalities (cleft palate, T21), or exposure to cigarette smoke. |
| List four common types of Lower Respiratory Tract Infections (LRTI). | Bronchitis, Bronchiolitis, Pneumonia, and Pertussis. |
| What is the treatment for Acute Bronchitis? | Supportive care, and bronchodilators if needed. |
| What is the clinical presentation of Bronchiolitis? | Cough, wheezing, and respiratory distress. |
| What is the treatment for Bronchiolitis? | Supportive care, and oxygen therapy if needed. |
| What is the definition of Pneumonia? | Inflammation of the lung parenchyma. |
| What is the major viral pathogen causing pneumonia in infants and children less than 5 years old? | Respiratory Syncytial Virus (RSV). |
| What is the most common cause of pneumonia that presents with a focal infiltrate in children of all ages? | Streptococcus pneumoniae. |
| What is the most consistent clinical manifestation of Viral Pneumonia? | Tachypnea, usually following several days of URTI symptoms and low-grade fever. |
| What is the clinical presentation of Pertussis (Whooping Cough)? | Paroxysmal cough, whooping, and vomiting. |
| What is the key clinical pearl regarding LRTI? | LRTI is more serious than URTI and can cause hospitalization, so early recognition is crucial. |