Paediatrics Respiratory

Description

Paeds Flashcards on Paediatrics Respiratory, created by Liam Musselbrook on 11/10/2016.
Liam Musselbrook
Flashcards by Liam Musselbrook, updated more than 1 year ago
Liam Musselbrook
Created by Liam Musselbrook about 8 years ago
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Question Answer
Viruses causing bronchiolitis RSV (75-80%) Adenovirus Influenza Parainfluenza Metapneumovirus
Symptoms of bronchiolits Cough (dry and persistant) Coryza Apnoea Poor feeding Increased work of breathing
Signs of bronchiolits Low oxygen saturations Fine end-inspiratory crackles Wheeze
Investigations and management for bronchiolitis Inv: Pulse oximetry, NPA, Fluid balance Management: SUPPORTIVE - Oxygen & Feeding
Paluvizumab Monoclonal antibody Passive immunity Given to those at risk Monthly for 5 months over winter period Expensive!
Presentation of viral wheeze Coryza Cough Fever Decreased oral intake Increased work of breathing Wheeze
Management of viral wheeze Oxygen Inhalers/ nebulisers Salbutamol Atrovent CXR Prednisolone Antibiotics Montelukast
Pneumonia-causing organisms in children
Symptoms and signs of pneumonia Fever Cough, Grunting Increased respiratory effort/ distress Poor feeding Lethargy Reduced air entry Crackles Dullness to percussion
Investigations for pneumonia NPA CXR Bloods Blood culture Sputum culture
Management of pneumonia Oxygen Hydration Antibiotics (Oral or IV?) Chest drain
Causes/RF for recurrent pneumonia Cystic fibrosis Immune deficiencies HIV / AIDs Kartagener’s syndrome Reccurent aspiration, Reflux Foreign body Tracheoesophageal fistula CLD
Common cause and common age range for croup? 75% cases parainfluenza 6months - 6years Peak incidence is in the second year of life
Presentation of croup Barking cough Coryza Hoarse voice Stridor
Differential diagnoses for croup Epiglottitis Bacterial tracheitis Inhaled foreign body Angioedema
Clinical features of croup vs epiglottitis
Management of croup CALMING ENVIRONMENT Airway management- do you need an anaesthetist? Oxygen Oral dexamethasone and prednisalone Nebulised budesonide Nebulised adrenaline Watch for rebound
Whooping cough: age, organism and immunisation <5 years Bordetella pertussis Immunised antenally Immunised 2, 3, 4 months
Presentation of whooping cough Coryza Paroxysms/ spasms of cough Followed by an inspiratory whoop (often absent in small children) 49 Apnoea Cyanotic episodes Can last up to 10-12 weeks
Management of whooping cough Perinasal swab Supportive Erythromycin (doesn't alter course of illness in active infection, use to reduce spread)
Mild/moderate acute asthma Able to talk in full sentences Sats: ≥92% PEF: ≥50% best or predicted HR: ≤140 age 2-5, ≤125 >5 yrs RR: ≤40 2-5 yrs, ≤30 >5 yrs
Moderate/sever acute asthma Can't complete full sentence Sats: <92% PEF: 33-50% of best or predicted HR: >140 2-5yrs, >120 >5yrs RR: >40 2-5yrs, >30 >5yrs
Life-threatening Cyanosis Sats: <92% in air Silent chest Poor respiratory effort Fatigue or exhaustion Agitation or reduced level of consciousness
Draw the treatment flowchart for acute asthma
Management of asthma in < 5yrs SABA when required Step 1) Very low dose inhaled corticosteroid Step 2) Add a leukotriene receptor antagonist Step 3) Refer to a paediatric specialist, possibly inhaled steroids to low-dose Step 4) Consider trials of either: - increasing the ICS to medium-dose, or - addition of a fourth drug - SR theophylline Step 5) Consideration of regular oral steroids
Algorithm of management of chronic asthma 5-12yrs SABA when required 1) Very low dose inhaled corticosteroid 2) LABA 3) No response to LABA - stop LABA and increase dose of ICS to low-dose Response to LABA - continue LABA and increase ICS to low-dose/consider leukotriene receptor antagonist 4) Consider trials of either: - increasing the ICS to medium-dose, or - addition of a fourth drug - SR theophylline Refer to paediatric specialist 5) Consider oral steroids
Newborn and infant clinical features of Cystic Fibrosis Newborn: Diagnosed through newborn screening Infancy: • Meconium ileus in newborn period • Prolonged neonatal jaundice • Failure to thrive • Recurrent chest infections • Malabsorption, steatorrhoea
Diagnosis of Cystic Fibrosis Cl >60 mmol/L in sweat test Confirmation of diagnosis can be made with testing for gene abnormalities in the CFTR protein.
Respiratory management of CF Regular spirometry Physiotherapy Prophylactic antibiotics Nebulised DNAse or hypertonic saline
Nutritional management of CF Oral enteric-coated pancreatic replacement therapy (Creon) High-calorie diet Fat-soluble vitamin supplements
Problems teenagers with CF face Diabetes Liver disease Distal intestinal obstruction syndrome Male infertility Psychological issues
Screening for CF Immunoreactive trypsinogen (ITP) with heel-prick blood test (Guthrie test)
Pharyngitis (*in older children, what is a common pathogen? Sore throat Pharynx and soft palate are inflamed and local lymph nodes are enlarged and tender Mostly adenoviruses, enteroviruses and rhinoviruses Oder child, group A β-haemolytic strep = common pathogen
Centor criteria for tonisillitis Tonsillar exudate Tender anterior cervical adenopathy Fever over 38°C by history Absence of cough 3 or 4 of Centor criteria are met, the positive predictive value is 40% to 60% Absence of 3 or 4 has negative predictive value of 80%
Common pathogens for tonsillitis Group A β-haemolytic strept Ebstein-Barr (infectious mononucleosis)
Antibiotic therapy for tonsillitis Often given despite only 1/3 tonsiliitis caused by bacteria Penicillin (erythromycin if penicillin allergy) Amoxicillin best avoided -> widespread rash if Ebstein-Barr is cause
How long is treatment required for in order to ensure prevention of rheumatic fever? 10 days Not indicated in the UK where rheumatic fever is now exceedingly rare.
What is the criteria for tonsillectomy? Sore throats are due to acute tonsillitis. The episodes of sore throat are disabling and prevent normal functioning. Seven or more well-documented, clinically significant, adequately treated sore throats in 1 year; or five or more in 2 years; or three or more in 3 years A peritonsillar abscess (quinsy) Obstructive sleep apnoea (the adenoids will also normally be removed)
At what age is otitis media most common? 6-12 months
Clinical features of acute otitis media Otalgia Fever Tympanic membrane is seen to be bright red and bulging with loss of the normal light reflection Occasionally, there is acute perforation of the eardrum with pus visible in the external canal.
Image of (left) acute otitis media and (right) AOM with effusion
Common pathogens of acute otitis media Viral -RSV and rhinovirus, Bacterial - pneumococcus, nontypeable H. influenzae and Moraxella catarrhalis.
Treatment of acute otitis media Most spontaneously resolve Pain should be treated with regular paracetamol or ibuprofen Antibiotics - marginally shorten duration of pain but don't affect hearing loss, often useful to give the parents a prescription, but ask them to use it only if the child remains unwell after 2–3 days. Amoxicillin usually
Otitis media with effusion (OME) Caused by recurrent ear infections Eardrum is seen to be dull and retracted, often with a fluid level visible Conductive hearing loss Very common between the ages of 2 and 7 years, peak incidence 2.5-5 years Can interfere with normal speech development and result in learning difficulties in school
Management of OME Usually conservative If it doesn't resolve then insertion of grommets is indicated If problems recur after grommet extrusion, reinsertion of grommets with adjuvant adenoidectomy is usually advocated
Sinusitis Infection of the paranasal sinuses may occur with viral URTIs. Secondary bacterial infection - pain, swelling and tenderness over the cheek from infection of the maxillary sinus Antibiotics + analgesia + topical decongestants
Indications for adenoidectomy + tonsillectomy Recurrent otitis media with effusion with hearing loss, where it gives a significant long-term additional benefit, especially if reinsertion of grommets is considered Obstructive sleep apnoea (an absolute indication)
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