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Differential diagnosis: Shortness of breath

Respiratory causes

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Other respiratory differentials = extrinsic allergic alveolitis, laryngitis, bronchitis, pneumonitis, bronchiectasis, LRTI, pleural effusion

Cardiac causes

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Other cardiac differentials = cardiomyopathy, myocarditis, acute valvular disease, pericardial effusion, pulmonary hypertension

Other causes

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Other differentials = DKA, overdoses, metabolic acidosis, sepsis/systemic inflammatory response syndrome, foreign body, anaphylaxis, anaemia

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