Resp Flashcards
Stony dull to percuss
Pleural Effusion
Right sided pleuritic chest pain
most likely pneumonia
Alveolar bat’s wings, Kerley B lines, cardiomegaly, dilated prominent upper lobe vessels, pleural effusion
Pulmonary oedema
Ground-glass appearance on X-ray
Pulmonary fibrosis
OR Respiratory Distress
Syndrome (in newborn)
Ziehl-Neelsen stain positive for acid fast bacilli
TB
Caseous necrosis
TB
Assmann focus
Apical lesion of secondary TB infection
Apical TB
most likely secondary TB
Miliary TB
spread of organism into bloodstream
If TB spread via pulmonary artery, it spreads to ———
the lung
If TB spread via pulmonary vein, it spreads to ———
liver, spleen and kidneys
Positive anti-glomerular basement membrane antibodies (anti-GBM)
Goodpasture’s syndrome
Chest infection with a parrot/pigeon as pet
caused by chlamydophila psittaci
Dry cough and diarrhoea after holiday abroad, some indication of water spread
Legionella pneumophila (test urine for antigens)
“Very tall, thin young man who indulges in marijuana”
probably pneumothorax (Marfan’s)
Bilateral hilar lymphadenopathy, erythema nodosum, granulomas, fatigue, uveitis and weight loss
Sarcoidosis
Signet ring sign (bronchiole wider than neighbouring arteriole on CT)
Bronchiectasis
D sign on x ray
Empyema
“Steeple” sign on x ray
croup
laryngotracheobronchitis
croup
Child with barking cough
croup
Pneumocystis pneumonia
HIV
Pneumocystis pneumonia is treated with ———
Co-tramoxazole (± prednisolone if
severe)
Asthma + nasal polyps + salicylate sensitivity
Samter’s triad
Alcoholic (danger of aspiration pneumonia)
Klebsiella pneumoniae
Red Jelly sputum
Klebsiella Pneumoniae
Mucoid sputum
Chlamydia psittaci
Rusty sputum
Pneumococcal pneumonia
Cannonball metastases
Primary renal cell carcinoma
also weight loss and haematuria
Morning headache
Hypercapnia OR
side effects of organic nitrates
ACTH secreting lung tumour
Small cell lung cancer
PTH secreting lung tumour
Squamous cell lung cancer
Small-cell carcinoma
neuroendocrine, highly malignant, may be associated with ectopic endocrine syndromes
Female, heavy smoker - lung cancer
Small cell lung cancer
Young black female
probably sarcoidosis
Non-smoker + lung cancer
(peripheral) adenocarcinoma
Increased serum ACE and Ca2+
Sarcoid
Eggshell calcification at hilar region
Silicosis
Haemosiderin
In ‘heart-failure cells’ seen in alveolar spaces.
Macrophages absorb haemosiderin (found in chronic pulmonary oedema, associated with severe LVHF, or long-standing pulmonary hypertension)
Ghon Focus
TB - caseous necrosis at periphery of lung,
beneath the pleura
‘Coin lesion’ found on chest radiographs
rounded solitary lesion, commonly primary cancer, metastatic tumour (esp of kidney), bronchial hamartoma, granulomatous inflammation, or lung abscess.
Ptosis (drooping of eyelid), small pupils, unilateral loss of sweating on one side
Horner’s Syndrome
Horner’s Syndrome
Pancoast’s tumour OR local spread of cancer to the
intrathoracic nodes
Pancoast tumour
Tumour at lung apex
Moderate asthma attack
PEF > 50-75%
Speech normal, oxygen sats above 92%, RR/HR normal
Moderate asthma attack management
Salbutamol via spacer, oral prednisolone
Acute severe asthma attack
PEF > 33-50%
Can’t complete sentences, oxygen sats above 92%, RR > 25, HR > 110
Acute severe asthma attack management
Oxygen, salbutamol nebulised, oral prednisolone (OR IV hydrocortisone)
Life-threatening asthma attack
PEF < 33%
Loss of consciousness, exhaustion, silent chest, cyanosis, hypotension, arrhythmia etc…
oxygen sats below 92%, RR > 25, HR > 110
Life-threatening asthma attack management
Oxygen, salbutamol (+ ipratropium) nebulised, oral prednisolone (OR IV hydrocortisone)
Life-threatening asthma attack - unresponsive to treatment
consider continuous nebulised salbutamol, or single dose magnesium sulphate.
consider ventilation
Thumbprint sign on head x ray
Epiglottitis
Inspiratory whoop/barking cough
Pertussis (whooping cough)
6 month-old with wheeze, cough and signs of respiratory distress (e.g. subcostal recession)
Bronchiolitis
Bronchiolitis infecting organism
Respiratory syncytial virus (RSV) in 70% of cases
Trauma resulting in tachycardia, tachypnoea and bilateral alveolar shadowing
Acute respiratory distress syndrome (ARDS)
non-cardiogenic pulmonary oedema leads to acute respiratory failure
ARDS first-line treatment
CPAP
also low-dose NO for pulmonary hypertension and conservative fluid management improve outcome
Eosinophilic inflammation
asthma
Neutrophilic inflammation
COPD
Episodic SOB, cough and wheeze that improves when the pt. is on holiday
Occupational asthma
Saddle Nose deformity
Granulomatosis with polyangiitis (GPA)
Syphilis
Cocaine abuse
Haemoptysis, fever, night sweats
suspect TB
Gradual onset SOB, reduced chest expansion, and dullness on percussion
Pleural effusion
Reduced FEV1, FVC, and FEV1/FVC ratio
COPD
Reduced FEV1, normal FVC
Asthma
Reduced FEV1 and FVC, normal FEV1/FVC ratio
Restrictive pattern
CF chest x-ray
bronchiectasis and hyperinflation
Human Faecal Elastase (FE-1)
Screening test for CF
Legionnaire’s is diagnosed with ——-
urine antigen test
Snow storm appearance on x ray
baritosis, silicosis
Management of COPD
SABA or SAMA (use when needed)
»> LABA + LAMA (if pt. has asthmatic features, consider LABA + ICS)
»> LABA + LAMA + ICS
Management of infective exacerbation of COPD
iSOAP ipratropium Salbutamol (+ theophylline IV if poor response) Oxygen (sparingly) Amoxicillin (if bacterial infection) Prednisolone
First-line investigation of infective exacerbation of COPD
CXR
then blood gases, ECG, FBC, U&Es
Central lung cancer
Squamous or small-cell
High d-dimers
Suspect PR
send for CTPA and V/Q scan
Low d-dimers
Exclude PE
Large PE, haemodynamically unstable pt.
thrombolysis
Small PE
LMWH
Dalteparin/Fragmin
Tenecteplase
thrombolysis drug
Reverse warfarin with ———
vitamin K
Respiratory alkalosis
panic attack
Frank pus on aspiration
empyema
Pickwickian disease
Obesity hypoventilation syndrome
body fat prevents air getting in, causing sleep apnoea + hypercapnia
Overnight nasal ventilation
Obesity hypoventilation syndrome
Pickwickian disease
Guillian-Barre disease
causes paralysis a.k.a polyneuritis
normally preceeded by strep. throat or resp/GI tract infection
Coal worker
Coal workers pneumoconiosis (simple disease, or progressive massive fibrosis)
Lung apex
TLCO
how well oxygen can diffuse into the blood
Asbestosis
problems found at the base of the lung
Type 1 diabetic, vomiting and not taking her insulin
metabolic acidosis (diabetic ketoacidosis)
young woman, tender well defined nodules on shins bilaterally
( + weight loss, night sweats, sputum)
erythema nodosum
Farmer
Farmer’s lung
EAA
Extrinsic allergic alevolitis
granulomatous inflammation of lungs
Pigeons, parrots
Bird-fancier’s lung, exposure to avian proteins
cANCA positive
joint pain, nasal congestion and recurrent nosebleeds
granulomatosis with polyangitis (GPA)
exudate
protein >30g/l
transudate
protein <30g/l
Parathyroid hormone causes —–
Hypercalcaemia
bones, stones, groans, moans
Smoker, cavitating hilar tumours
Squamous cell
Lung cancer causing gyneocomastia
Large cell
releases sex hormones
Hypertrophic pulmonary osteoarthropathy
finger clubbing, periosteal inflammation a.k.a. ankle pain
Lung cancer, commonly adenocarcinoma
Chemo-sensitive lung cancer
Small cell
“moon face”, acne, high BP
Cushing’s
ACTH (small cell lung cancer)
Lung cancer with finger tingling, arm pain
Brachial plexus lesions
Type 1 respiratory failure
low oxygen
Type 2 respiratory failure
low oxygen, high carbon dioxide
COPD
TB drugs
2 RIPE
4 RI
Rifampicin side effects
red-orange urine and tears, rashes, hepatotoxicity
Isoniazid side effects
peripheral neuropathy, hepatitis
Pyrazinamide side effects
gout
also joint pain, rash, yellow skin/eyes
Ethambutol side effects
colour blindness, vision changes
Mycobacterial infection
TB
Small Ghon focus, large hilar nodes
Primary TB
immune activation
TB with fibrosing, cavitating apical lesion
Secondary TB
reactivation/reinfection - associated with immunosuppressed
Q fever
coxiella burnetti
sheep/farm
Dry cough in young people
Mycoplasma pneumoniae
Haemophilus influenzae
COPD/alcoholics/elderly
Pseudomonas aeruginosa
Gram neg bacilli
CF
Causes of pulmonary fibrosis
BREAST CA Bleomycin Radiation EAA Anklylosing spondylitis Sarcoidosis TB Cryptogenic fibrosing alveolitis (IPF) Asbestosis
Chest hyperexpansion
COPD
Stridor
Upper airway obstruction
Early onset emphysema
alpha-1 antitrypsin deficiency
Positive sweat test
> 60mmol/L NaCl
CF
Swinging fever, copious foul smelling sputum
Lung abscess
Left-shift of oxyhaemoglobin dissociation curve
Reduced 2,3-DPG, hypothermia, alkalosis, CO
Right-shift of oxyhaemoglobin dissociation curve
Hyperthermia, hypercapnia, acidosis, sickle-cell diseases
Lung cancer of neuroendocrine cells
small cell
Lung cancer with lymph node involvement
Lymphoma
Lung cancer, asbestos exposure
Mesothelioma
COPD first-line treatment
SMOKING CESSATION
then drugs
Honey-comb appearance on X-ray
Late fibrosis
Mucin-producing lung cancer cells
Adenocarcinoma
Rheumatoid arthritis + pneumoconiosis
Caplan’s syndrome