Bedside Approach to Respiratory Case
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Transcript of Bedside Approach to Respiratory Case
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Manish Chandra Prabhakar 1
Bedside Approach to Respiratory Case
Dr Manish Chandra Prabhakar MGIMS Sewagram, India
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Manish Chandra Prabhakar 2
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Manish Chandra Prabhakar 3
Symptoms
• Cough• Dyspnea• Chest Pain• Hemoptysis• Wheeze / Stridor• Hoarseness of voice
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Manish Chandra Prabhakar 4
Cough
• Reflex act of forceful expiration against a closed glottis.
• Clear the airways.
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Manish Chandra Prabhakar 5
Cough
• Is it acute, subacute or chronic?• Dry or Productive?• Associated symptoms – fever, dyspnea,
chest pain, etc.?• Risk factors – Smoking, environmental
factors, HIV, family h/o TB ?• Symptoms of postnasal discharge, GERD?• Is the patient on ACE inhibitor?
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Manish Chandra Prabhakar 6
Acute cough <3 wks
• URI
• Pneumonia
• Pulmonary embolism
• CCF
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Manish Chandra Prabhakar 7
Subacute cough (3- 8 weeks)
• Viral infections
• Post infectious
• Post nasal drip
• GERD
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Manish Chandra Prabhakar 8
Chronic cough >8 wks
• Pulmonary TB
• Br Asthma
• COPD
• Bronchogenic ca
• Eosinophilic bronchitis
• Post nasal drip
• GERD
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Manish Chandra Prabhakar 9
Nocturnal cough
• Post nasal drip.
• GERD
• Chronic brochitis.
• Bronchial asthma.
• Obstructive sleep apnea
• LVF
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Manish Chandra Prabhakar 10
Sputum
• Consistency
• Amount
• Color
• Postural variation
• Smell
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Manish Chandra Prabhakar 11
Serous Mucoid Mucopurulent
URIBronchoalvelolar ca
Chronic bronchitis, Br Asthma
Bacterial infection.
Consistency
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Manish Chandra Prabhakar 12
Sputum
Copious Amount
Bronchiectasis
Lung Abscess
Necrotizing pneumonia
Alveolar cell ca
Empyema rupturing into bronchus
Postural variation
Lung Abscess
Bronchiectasis
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Manish Chandra Prabhakar 13
Color of sputum
Yellow / Green — Bacterial infection
Black — coal worker pneumoconiosis
Pink frothy sputum — Pulmonary edema
Anchovy sauce — Ruptured amoebic liver abscess.
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Manish Chandra Prabhakar 14
• Foul Smell —
Lung abscess
Bronchiectasis
Anaerobic bacterial infection.
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Manish Chandra Prabhakar 15
Dyspnea :-
• Subjective experience of breathing discomfort that consists of
qualitatively distinct sensations that vary in intensity.
• Occurred within – minutes, hours to days, weeks to months.
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Manish Chandra Prabhakar 16
Dyspnea
• Within minutes
Pneumothorax
Pulmonary embolism
Inhalation of foreign body
Larygeal edema
Left heart failure
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Manish Chandra Prabhakar 17
Dyspnea
• Hours to Days
ARDS
Br Asthma
Pneumoia
Left heart failure
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Manish Chandra Prabhakar 18
Dyspnea
• Weeks to Months COPD ILD Pleural effusion Anemia Thyrotoxicosis
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Manish Chandra Prabhakar 19
Haemoptysis
• Mild <100ml /day
• Massive > 600ml /day or 100ml/day for more than 3
days.
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Manish Chandra Prabhakar 20
HAEMOPTYSIS HAEMATEMESIS
Cough precedes Nausea & vomiting precedes
Frothy not
pH alkaline pH acidic
Bright red Dark brown
H/o respiratory ds h/o peptic ulcer ds
Not h/o malena
bronchoscopy endoscopy
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Manish Chandra Prabhakar 21
Causes--
• Infection—
TB
Lung Abscess
Bronchiectasis
Pneumonia
Fungal infection (aspergillosis, blastomycosis)
• Neoplasm---
Bronchogenic ca
Bronchial adenoma
Metastatic tumour
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Manish Chandra Prabhakar 22
Causes--• CVS—
MS
PHT
Pulmonary embolism
AV malfromation
• Collagen vascular disorder
Vasculitis
Wegener’ s granulomatosis
Goodpastures’s syndrome
• Traumatic
• Iatrogenic..
• Bleeding disorder
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Manish Chandra Prabhakar 23
Chest Pain
• Site
• Character
• Associated sx
• Aggravating/Relieving factor
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Manish Chandra Prabhakar 24
• Retrosternal Pain :-• Upper
• Tracheatis
• Mid and Lower• Mediastinitis• Mediastinal tumor• GERD• Achalasia cardia
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Manish Chandra Prabhakar 25
• Pleural Inflammation – Catchy pain, increases on deep inspiration and on pressure.
• Pancoast tumor – shoulder and arm pain due to compression of C8, T1-2 roots.
• Erosion of ribs – constant chest pain.
• Tietze’s syndrome – costochondritis
• Always keep ‘Angina’ in mind.
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Manish Chandra Prabhakar 26
General Examination
• Vitals• Temperature• Pulse• Respiratory Rate & Breathing pattern.• Blood pressure
• Anemia• Icterus• JVP• Cyanosis• Clubbing• Lymphadenopathy• Pedal oedema
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Manish Chandra Prabhakar 27
General condition--
• Built
• Nourishment
• Tripod position
• Purse lip breathing
• Paraneoplastic syndrome
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Manish Chandra Prabhakar 28
Pulse
• Bradycardia - Hypoxia.
• Tachycardia - Pneumonia , Pulmonary
Embolism, ARDS
• Unequal - Pancost Tumour , Mediastinal
syndrome.
• Pulsus Paradoxus – Ac severe asthma, COPD
• Collapsing /bounding pulse — CO2 narcosis.
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Manish Chandra Prabhakar 29
Blood Pressure
• Pulsus Paradoxus• Pancoast’s tumor• Mediastinal syndrome
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Manish Chandra Prabhakar 30
Respiratory Rate & Breathing Pattern--
• Tachypnoea > 20
• Causes
Pneumonia
Acute pulmonary odema
Pulmonary embolism
ARDS
Metabolic acidosis
• Others causes
• Fever , hypoxia, excitation, nervousness
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Manish Chandra Prabhakar 31
Respiratory Failure
Hypoxia
• Irritability• Disorientation/Confusion• Somnolence• Bradycardia• Cyanosis• Seizures
Hypercapnea
• Anxiety• Delirium• Confused• Somonolence• Flapping
tremors/Asterixis• Thready or bounding
pulse• Papillodema• Seizures
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Manish Chandra Prabhakar 32
Examination of EYE
Finding on Examination Likely Etiology
Horners syndrome Pancost tumour
Phlycten, choroid tubercule Tuberculosis
Conjunctival chemosis SVC Syndrome, CO2 narcosis
Papilloedema SVC obstruction, CO2 narcosis
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Manish Chandra Prabhakar 33
Anemia
• Chronic Infections – TB• Chronic inflammatory disorders – ILD,
CTD.• Malignancies.
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Manish Chandra Prabhakar 34
Icterus
• Iatrogenic - ATT
• Metastasis to Liver
• Pulmonary infarction.
• Sepsis – secondary to chest infection.
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Manish Chandra Prabhakar 35
JVP• SVC obstruction—Mediastinal Syndrome
• Cor pulmonale.
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Manish Chandra Prabhakar 36
Cyanosis
Respiratory disorders
• Acute severe Asthma
• Tension Pneumothorax
• Pulmonary AV malformations
• Acute laryngeal oedema
• ARDS
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Manish Chandra Prabhakar 37
Lymphadenopathy
• Lymphatic drainage :
• Parietal Pleura – Multiple nodes
• Rt lung + Lt lower lobe — Rt supraclavicular LN
• Left upper lobe — Lt supraclavicular LN (Troisier’s
sign).
• Apical portion drains directly in scalene LN.
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Manish Chandra Prabhakar 38
Lymphadenopathy
• Sites
• Number
• Tender/Non-tender
• Discrete/matted
• Consistency
• Fixed/Mobile
• Overlying skin
• Sinus
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Manish Chandra Prabhakar 39
Causes--
• URI
• Tuberculosis
• HIV
• Sarcoidosis
• Lung Carcinoma
• Lymphoma
• Secondaries
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Manish Chandra Prabhakar 40
Clubbing
• Causes
Bronchogenic ca
Bronchiactasis
Lung abscess
Empyema
Cystic fibrosis
Interstitial lung ds
Unilateral clubbing — Pancoast tumour
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Manish Chandra Prabhakar 41
Pedal Edema
• Cor Pulmonale• Chronic infections / inflammations –
secondary to hypoalbuminemia.• A/w renal involvement – WG, PAN,
Microscopic polyangitis, SCLC.
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Manish Chandra Prabhakar 42
Examination of Respiratory System--
• Inspection of Upper Respiratory Tract—
• Oral cavity
Oral hyagine
Dental caries
Oral thrush
Tonsils
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Manish Chandra Prabhakar 43
Examination of Respiratory System--
• Inspection of Upper Respiratory Tract—
• Nose & Sinuses
DNS—Recurrent resp iration infection
Nasal polyp-Cystic fibrosis, allergic asthma, ABPA,
Wegener’s granulomatosis.
Phaynx- Post nasal drip, lymhoma deposits.
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Manish Chandra Prabhakar 44
Inspection
• Symmetry of chest
• Position of Trachea
• Position of Apex impulse
• Movements of chest
• Accessory muscles
• Hollowness/Bulging/flattening/retraction/
crowding of ribs
• Drooping of shoulders
• Spino-scapular distance
• Kyphosis / Scoliosis.
• Scar/sinus/dilated veins.
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Manish Chandra Prabhakar 45
Areas
• Anteriorly • Supraclavicular• Infraclavicular• Inframammary
• Laterally• Axillary• Infraaxillary
• Posteriorly• Suprascapular• Interscapular• Infrascapular
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Manish Chandra Prabhakar 46
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Manish Chandra Prabhakar 47
Symmetry of chest--
• Flat chest (1:2) — Pulm TB,Fibrothorax
• Barrel chest-(1:1) — COPD (Emphysema)
• Pectus carinatum -- rickets, marfan’s syndrome, Down’s,
Noonan, osteogenesis imperfecta.
• Rickety rosary — rickets.
• Scorbutic rosary - Vit C Def.
• Harrisons sulcus — chronic respiratory ds in childhood,
rickets, blocked nasopharynx due to adenoid enlargement.
• Pectus excavatum (cobbler’s chest or funnel chest)--Marfan’s
syndrome, spinal muscular atrophy.
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Manish Chandra Prabhakar 48
Symmetry of chest--
• Spinal deformity — Kyphosis , Scoliosis.
• Bulging — Pleural effusion, Pneumothorax,
empyema necessitans. Tumour
• Flattening or depression — Fibrosis, Collapse.
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Manish Chandra Prabhakar 49
Position of Trachea/Apical impulse--
Opposite side Same side Central
Pleural effusion Fibrosis Consolidation
Pneumothorax Collapse of lung Loculated Effusion / Empyema
Mediastinal Mass Br Asthma
Bronchitis
Bronchiectasis
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Manish Chandra Prabhakar 50
Scar
• Strenotomy scar
• Valvotomy scar
• Lobectomy/Pnemonectomy scar
• IC Tube scar
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Manish Chandra Prabhakar 51
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Manish Chandra Prabhakar 52
Dilated Veins
• SVC syndrome
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Manish Chandra Prabhakar 53
Palpation
• Temperature• Tenderness• Position of trachea and apex beat• Movement of chest• Chest expansion• Tactile vocal fremitus• Others – flow in dilated veins,
subcutaneous emphysema.
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Manish Chandra Prabhakar 54
Position of Trachea/Apex beat
• Conditions as listed in Inspection.
• TRACHEAL TUG (OLIVERS SIGN) – Downward
displacement of the cricoid cartilage with ventricular
contraction – An AORTIC ARCH ANEURYSM
• TRACHEAL TUG (CAMPBELL’S SIGN) –
Downward displacement of thyroid cartilage during
inspiration – COPD
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Manish Chandra Prabhakar 55
Local pain / tenderness
• Empyema• Infiltration of chest wall by tumor• Osteomyelitis• Costochondritis• Herpes zoster
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Manish Chandra Prabhakar 56
• Chest expention – Normal 2 inch• < 1.5 inch..abnormal
• Chest movements are assessed in all areas.• Inspection is better then palpation (for
movements)
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Manish Chandra Prabhakar 57
Chest expansion
General Restriction
• Extensive bilateral ds• COPD• ILD• Ankylosing spondylitis• Spinal deformity
Asymmetrical expansion
• Pleural effusion• Pneumothorex• Consolidation• Collapse• Fibrosis
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Manish Chandra Prabhakar 58
Tactile Vocal Fremitus
• Sound produced at larynx• Vibration transmitted to periphery of lung.• Lung vibrate secondary to larynx vibration.• Perceived on chest wall by palpating surface of
hand.
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Manish Chandra Prabhakar 59
Tactile Vocal Fremitus
Increased
• Consolidation• Collapse with
patent bronchus• Cavity with
communicating bronchus
Decreased
• Pleural effusion• Pneumothorax• Bronchial
obstruction• Pneumonectomy
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Manish Chandra Prabhakar 60
Percussion
• Conventional percussion• Tidal percussion• Hepatic and cardiac dullness
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Manish Chandra Prabhakar 61
Percussion
• Position of Patient : Sitting
• Anterior – Hands by the side• Posterior – Hands over opposite shoulders• Lateral – Hands over head.
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Manish Chandra Prabhakar 62
Percussion
• Resonant - normal lung
• Tympanic – Hollow viscous
• Hyper-resonant - Pneumothorax
• Impaired - Pulmonary fibrosis.
• Dull – Consolidation, Collapse, Pleural
thickening
• Stony dullness– pleural effusion, empyema.
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Manish Chandra Prabhakar 63
Percussion• Kronig’s isthmus
• Band of resonance 5 to 7cm over suraclavicular fossa
• Medially — scalnus ms• Laterally - acromian process of scapula• Anteriorly — Clavicle• Posteriorly — Trapezius• Hyperresonant — Emphysema,
Hydropneumothorex• Impaired dullness — Fibrosis, UL collapse,
Mass
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Manish Chandra Prabhakar 64
Percussion
• Clavicle percussion( medial 1/3rd)• Tidal percussion• Traube’s percussion• Grocco’s triangle—A right angle triangle of
dullness at the base of the chest near the spinal column (paravertible ) on the side opposite a pleural effusion.
• Skodiac Resonance – Hyperresoanant sound generated by percussion of the chest above a pleural effusion.
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Manish Chandra Prabhakar 65
Auscultation
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Manish Chandra Prabhakar 66
Type / Nature
Vesicular• Soft, Low pitched
~ 100 Hz• Gentle rustling• Continuous• Inspiration >
Expiration
3 : 1
Bronchial • Loud, High pitched
300 – 400 Hz
• Hollow• Pause• Inspiration = <
Expiration
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Manish Chandra Prabhakar 67
Bronchial breathing
Airway Airless lung Loss of filtration effect BB
e.g. - Consolidation - Collapse (with patent bronchus)
- Fibrosis - Upper level of pleural effusion
- Cavity - Bronchopleural fistula
• Cavity filled with fluid NO BB• Tense pleural effusion BB all over
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Manish Chandra Prabhakar 68
Vocal resonance
• Test Elasticity of Lung• Sound of patient’s voice heard through stethoscope placed on
the patient’s chest
• Normal lung – Low pass filter
Transmits sound frequency <200 Hz • Normal speech – Low pitch,
Muffled, indistinct
Unintelligible words
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Manish Chandra Prabhakar 69
Bronchophony • Ask patient to say ‘Ek Do Teen’/ ‘1,2,3’ / ‘99’• Auscultate over periphery of the lung • Sounds as clear as over trachea • But words are not differentiable
As if words are emitted directly into stethoscope
• Seen in Consolidation • Collapse with patent bronchus
Cavity Upper level of pleural effusion
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Manish Chandra Prabhakar 70
Decreased vocal resonance
• Occlusion of bronchus • Pleural effusion • Pneumothorax
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Manish Chandra Prabhakar 71
Whispering pectoriloquy• Whisper >400 Hz• Pectoriloquy Words are intelligible • Whispering pectoriloquy Whispered speech
becomes intelligible during chest auscultation
• Ask patient to whisper ‘Ek Do Teen’• Auscultate over trachea & note clarity • Auscultate over periphery of the lung • Sounds as clear as over trachea
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Manish Chandra Prabhakar 72
Egophony• Has a nasal or bleating quality• Ask patient to say ‘eee’• Auscultate over periphery of the lung• Sound appears as ‘aaa’
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Manish Chandra Prabhakar 73
Crackles
• Short, Explosive, Discontinuous Nonmusical sounds• Bubbling / clicking /Explosive sounds
• Mechanism:• Flow of air through secretions • Sudden opening of a succession of small airways, due to rapid equalization
of pressure between 2 airway compartments
• Types—Fine—Arise from alveoli
Coarse—Arise from bronchus & Bronchioles.
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Manish Chandra Prabhakar 74
Crackles
• Crackles without sputum production—Interstitial lung ds
• Crackles with sputum production– Parenchymal Lung ds.
• Crackles auscultated during early inspiration --more indicative of airways disease,
such as chronic bronchitis, emphysema, and asthma.
• Crackles auscultated during late inspiration --more suggestive of parenchymal
disorders, such as pulmonary fibrosis, interstitial pneumonitis, and pneumonia.
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Manish Chandra Prabhakar 75
• Timing
Inspiratory 1. Early : Broncho-obstructive disease
Chronic bronchitis
2. Mid : Bronchiectasis
3. Late : Alveolar disease
Pneumonia, Pulmonary edema, ILD
Expiratory – Chronic Bronchitis, ILD
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Manish Chandra Prabhakar 76
• Post- tussive crackles
Crackles disappear after coughing
- due to temporary stasis of secretions
Crackles persisting after coughing
- Pulmonary parenchymal disease, Interstitial edema
Crackles appearing after coughing
- Cavity, due to sudden opening of fibrotic walls
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Manish Chandra Prabhakar 78
Wheeze
ASTHMA
BRONCHITIS
VOCAL CORD DYSFUNCTION
FOREIGN BODY ASPIRATION
INFECTIONS – CROUP LARYNGITIS
CONGESTIVE HEART FAILURE
COPD
CYSTIC FIBROSIS
ILD
FIBROSING ALVELOLITIS
NOT ALL THAT WHEEZES IS ASTHMA
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Manish Chandra Prabhakar 79
Tone• Monophonic • Single tone at its origin
• Localized narrowing of bronchus , Incomplete obstruction of principal or lobar bronchus
• Eg FB, Intrabronchial growth,
• Polyphonic • Multiple tones,multiple
simultaneous different pitched sounds occur during expiration &
• Diffuse airway disease eg Emphysema.
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Manish Chandra Prabhakar 80
Pleural rub • Friction of inflamed visceral & parietal pleural
surfaces against each other in respiration
• Creaking leathery sound
• During both phases
• Best heard at Lateral & Posterior bases of lung
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Pleural rub Crackles
Site Superficial & Loud Deep
Continuous Discontinuous
Localised Wide area
Coughing No change Intensified or Abolished by coughing
Pressure of stethoscope over chest
Increases No change
Pain & Tenderness Present No
81Manish Chandra Prabhakar
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Manish Chandra Prabhakar 82
Succusion splash
Stethoscope placed against chest wall
Shake the patient
Splashing sound
• Hydropneumothorax• Gastric outlet obstruction
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Manish Chandra Prabhakar 83
Mediastinal Crunch
• Loud knocking crunching/ clicking sound
• Synchronous with cardiac cycle
• Heard in the center of the anterior chest.
• Signifies presence of free air in the mediastinum.
• Involve compression of the air by the beating heart and
the mediastinal structures.
‘Hamman’s sign’
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Manish Chandra Prabhakar 84
Mediastinal Crunch
Causes • Tracheobronchial injury due to trauma, • Medical procedures (e.g., bronchoscopy) or • Proximal pulmonary bleb rupture. • Commonly seen in Boerhaave syndrome.
(oesophageal perforation due to vomiting)
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Manish Chandra Prabhakar 85
Disease Mediastinal shift
Percussion Breath sounds
VR Added sounds
Consolidation
Midline Dull ↑ Bronchial (tubular)
↑, WP+
Crackles+ Rub+/-
Fibrosis Same side Impaired ↑/↓, Bronchial
↑/ ,WP+
Crackles+
Collapse (Major
bronchus obs)
Same side Dull ↓ Vesicular ↓ None
Collapse (Patent
bronchus)
Same side Dull ↑ Bronchial
tubular
↑ WP+ Early – None Late – Coarse crackles
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Manish Chandra Prabhakar 86
Disease Mediastinal shift
Percussion
Breath sounds
VR Added sounds
Cavity Midline orSame
side(if asso fibrosis)
Impaired ↑ Bronchial (Cavernous)
↑ ,WP+ Crackles +/-
Pleural Effusion
Opposite side
Stony dull
↓ or Absent, above level -
Bronchial
or absent,↑ above
Pleural rub above level
Pneumothorax
Opposite side
Hyper-resonant
↓ or Absent Absent None
Emphysema
Midline Hyper-resonant
Normal or
Wheeze +/-
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Manish Chandra Prabhakar 87
THANK YOU