56 - SOB, 57 - wheeze, 58 - Stridor Flashcards
If the base excess on ABG is low what does that indicate
acidosis
Acute asthma MX
Oxygen! Nebbed salbutamol Oral prednisolone Ipratropium bromide Magnesium Sulphate
Chronic asthma Mx
SABA: salbutamol – important to assess technique if treatment has failed
Inhaled corticosteroid: beclomethasone
LABA: salmeterol.
Leukotriene receptor antagonist: monteleukast. Or theophylline
Oral steroids: prednisolone
What happens to blood ph in hyperventilation?
hypocapnia -> respiratory alkalosis (raised)
Causes of metabolic acidosis
renal failure, poisoning, DKA,
MUDPILES METHANOL URAEMIA DKA PROPYLENE GLYCOL INFECTION LACTIC ETHYLENE GLYCOL SALICYATES (aspirin toxicity initially causes a respiratory alkalosis)
Sx of metabolic acidosis
Pain, vomiting, nausea, headache, palpitations, Kussmaul respirations, coma, seizures
How does body try and compensate resp acidoiss
bicarb ions
Mx if arrythmias are a risk in metabolic acidosis?
sodium bicarb
Which bronchi normal for foreign body?
right main
Serious inhalation lung injury mx
monitor for CO poisoning
Intubate early with mechanical ventilation
Who normally gets allergic alveolitis ? Whats seen on Ix?
hobbies Eg birds / occupation
granulomas show as diffuse nodules on CXR
Mx of allergic alveolitis
lifestyle changes
pred
Cause of bronchiolitis? Usual age and cause?
RSC
children under 2 years in the winter months.
Mx of bronchiolitis
supportive
O2, fluids, monitoring
usual cause of croup? key signs ?
Parainfluenza
Barking cough and stridor. Drooling indicates serious disease