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CASE DISCUSSION. RIVERA, JOANNA GRACE ASMPH BATCH 2013. OBJECTIVES. At the end of this case presentation, we should be able to do the following : Discuss the case of bronchial asthma Understand the pathophysiology of bronchial asthma
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CASE DISCUSSION RIVERA, JOANNA GRACE ASMPH BATCH 2013
OBJECTIVES • At the end of this case presentation, we should be able to do the following: • Discuss the case of bronchial asthma • Understand the pathophysiology of bronchial asthma • Know the basic management and prevention of bronchial asthma
GENERAL INFORMATION EPYN Female 3 years old Filipino Roman Catholic Mandaluyong City Informant: Father Reliability: 80%
CHIEF COMPLAINT Difficulty of Breathing (two days duration)
HISTORY OF PRESENT ILLNESS Two days PTA • Nonproductive cough • Difficulty of breathing • (-) colds and fever • Nebulized with salbutamol with improvement of DOB
HISTORY OF PRESENT ILLNESS • Worsening of cough and DOB • Unrelieved by salbutamol nebulization • No other associated symptoms Few hours PTA DAY OF ADMISSION
REVIEW OF SYSTEMS • General: (-) changes in weight, (-) sweats, (-) weakness, (-) fatigue • Skin: (-) itchiness, (-) color changes, (-) pigmentation, (-) rashes, (-) photosensitivity, changes in hairs and nails • Eye: (-) blurring of vision, (-) redness, (-) itchiness, (-) pain, (-) increased lacrimation
REVIEW OF SYSTEMS • Ear: (-) deafness, tinnitus, discharge • Nose: (-) epistaxis, (-) nasal discharge, obstruction, (-) postnasal drip • Mouth and throat: (-) bleeding gums, sores, fissures, tongue abnormalities, dental caries, • (-)sore throat, lump sensation • Pulmonary: (-) hemoptysis
Review of Systems • Cardiac: (-) easy fatigability, orthopnea, nocturnal dyspnea, syncope, edema • GI: (-) retching, hematemesis, melena, hematochezia, dysphagia, belching, indigestion, food intolerance, flatulence, • (-)abdominal pain, (-) diarrhea, (-) vomiting, constipation, anal lesion
Review of Systems • GU: (-) urinary frequency, urgency, hesitancy, nocturia • Musculoskeletal: (-) joint stiffness, pain, swelling, cramps, muscle pain, weakness, wasting • Endocrine: (-) heat-cold intolerance, polyuria, polydipsia
Review of Systems • Hematopoietic:(-) abnormal bleeding, (-) bruising • Neurologic: (-) headache, seizure, mental status changes, head trauma
PAST MEDICAL HISTORY • Asthma – Nov 2010 • Reliever medications: Salbutamol and Prednisone • Last attack: January 2012 • Denies nocturnal awakenings • (+) occasional shortness of breath after heavy exercises or activities • Allergic to Peanuts • No known allergies to medications
BIRTH AND MATERNAL HISTORY Born full term via CS to a 38 year old G2P2 in Makati Medical Center attended by an Ob-Gyne BW: 3 kg Cord-coil
IMMUNIZATION HISTORY • BCG (1 dose) • DPT/IPV (3 doses) • Hepa B (3 doses) • Measles (1) • Rotavirus (2)
NUTRITIONAL HISTORY • Breastfed until 2 months • Formula fed with Nestogen (3 ounces/bottle) • Weaning age: 6 months (Cerelac); 9 months (rice)
NUTRITIONAL HISTORY • 24 hour food recall • Breakfast: ½ cup of rice + tocino/hotdog/sausage/bacon/egg • Lunch: ½ cup of rice + sausage/fried chicken • Snacks: 1 pack of biscuit • Dinner: ½ cup of rice + tocino/sausage/chicken • Loves eating chocolates, candies and junk foods
Developmental History GROSS MOTOR 6 months: sits with support 10 months: stands with support 1o months: walks with support 15 months: walks well alone 2 years: runs well, can climb up and down stairs, jumps 3 : throws balls, downstairs on one foot per step, hops on one foot FINE MOTOR 9 months: holds bottle 1 year and 3 months: can drink from cup 2 years old: can imitate a circle; 3 years old: imitates cross LANGUAGE 9 months: can speak mama and papa 1 and ½ year: can indicate needs; can speak three-word sentences 2 years old: can point to parts of the body and can follow directions; names on pictures 3 years old: tells little stories about experiences, gives full name and sex; recognizes 3 or more colors, counts to ten SOCIAL 2 years: can remove garment; toilet trained; uses spoon 3 years: dry by night; play interactive games; dresses with supervision; tells tail tales
FAMILY HISTORY • Asthma (Maternal grandmother and cousins) • Hypertension and Diabetes (paternal) • (-) Allergies
GENOGRAM Casino dealer Call center agent 41 40 3 18
PERSONAL-SOCIAL HISTORY Lives in a two bedroom condominium with 6 household members With good ventilation Water source: Mineral water Garbage collected twice a week House is not near factories or highway No pets at home Parents and sibling are smokers
PHYSICAL EXAMINATION GENERAL APPEARANCE Alert, quiet, weak-looking, in respiratory distress VITAL SIGNS BP: 100/70 RR: 40 O2 Sat (room air): 89% HR: 110 Temp: 37º C ANTHROPOMETRICS: Height: 106 cm (2 to 3) Weight: 22.6kg (3) BMI: 20.11 (3)
PHYSICAL EXAMINATION SKIN warm skin, good skin color and turgor HEENT no lesions or matting of the eyelids, no eye discharge, no swellling, anicteric sclerae, pink palpebral conjunctiva, No tragal tenderness, no ear discharge, intact TM
PHYSICAL EXAMINATION HEENT No alar flaring, nasal septum midline, with minimal nasal discharge dry lips, moist tongue, no circumoral cyanosis, no buccal mucosal lesions, no TPC no masses in the neck, (-) CLAD, flat neck veins
PHYSICAL EXAMINATION RESPIRATORY can talk in sentences, (+) subcostal retractions, symmetric chest expansion, wheezes on both lung fields, no crackles or rhonchi HEART adynamicprecordium, no thrills, heaves or lifts, PMI at 5th ICS, MCL, normal rate, regular rhythm, distinct S1 and S2 sounds, no murmurs
PHYSICAL EXAMINATION ABDOMEN Flabby abdomen, normoactive bowel sounds, soft, no organomegaly, no tenderness EXTREMITIES full and equal pulses, no edema, no cyanosis, no atrophy/hypertrophy, no deformities NEUROLOGIC EXAMINATION Intact cranial nerves, no sensory and motor deficits, normoreflexive, (-) Babinski, (-) clonus
SUBJECTIVE OBJECTIVE SALIENT FEATURES 3/F Asthmatic Difficulty of breathing Cough Audible wheeze Relieved by Salbutamol nebulization initially unresponsive • Respiratory distress • Tachypnea • Desaturation (87%) • Retractions • Wheeze • Normal cardiac findings
PRIMARY WORKING IMPRESSION BRONCHIAL ASTHMA IN ACUTE EXACERBATION
Differential Diagnosis • Bronchiolitis • Pneumonia • Upper Respiratory Tract Infection
Emergency Treatment • O2 supplementation via face mask at 6 LPM • Salbutamol 1 nebule x 3 doses 20 minute interval • On admission: • Salbutamol 1 nebule every 6 hours • Salbutamol + Ipatropium (Combivent) 1 nebule every 6 hours • Prednisone 20 mg/5 ml 3 ml every 12 hours
Bronchial Asthma Excessive Contraction of the smooth muscle Uncoupling Thickening of the airway wall Sensitized sensory nerves • Chronic inflammatory condition of the lung airways resulting in episodic airflow obstruction • Airway hyperresponsiveness
INFLAMMATORY CELLS Mast cells Eosinophils T-lymphocytes Dendritic Cells Macrophages Neutrophils INFLAMMATORY MEDIATORS Chemokines CysteinylLeukotrienes Cytokines Histamine Nitric oxide Prostaglandin D2 INFLAMMATORY CELLS Airway epithelial cells Airway smooth muscle cells Endothelial cells Fibroblasts Myofibroblasts Airway nerves
Smooth muscle contraction Edema Airway thickening Mucus hypersecretion
SMOOTH MUSCLE INCREASE BLOOD VESSEL WALL PROLIFERATION MUCUS HYPERSECRETION
Clinical Signs and Symptoms Wheezing Cough Breathlessness Nocturnal symptoms/awakenings
Diagnostic Examinations • SPIROMETRY • Airflow Limitation • Low FEV1 (relative to percentage of predictive norms) • FEV1 /FVC ratio <0.80 • Bronchodilator response • Improvement in FEV1 ≥12% and ≥200 mL • Exercise challenge • W0rsening in FEV1 ≥15% • Peak Expiratory flow monitoring • Day to day and/or AM-to-PM variation ≥20%
Diagnostic Examinations • Therapeutic Trial • Short-acting bronchodilators and inhaled glucocorticosteroids (at least 8-12 weeks) • Test for Atopy • Immediate hypersensitivity Skin testing • Antigen-specific IgE antibody • Chest Radiograph • Hyperinflation and peribronchial thickening
Treatment and Management Regular Assessment and monitoring Patient Education Control of Factors Contributing to Asthma Severity Principles of Asthma Pharmacotherapy
Component 1 Regular Assessment and Monitoring
Component 2 Patient Education
Component 3 Control of Factors Contributing to Asthma Severity