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3 Cards in this Set

  • Front
  • Back

Kartagener's syndrome

Kartagener's syndrome (also known as primary ciliary dyskinesia) was first described in 1933 and most frequently occurs in examinations due to its association with dextrocardia (e.g. 'quiet heart sounds', 'small volume complexes in lateral leads')



Pathogenesis


dynein arm defect results in immotile cilia



Features


dextrocardia or complete situs inversus


bronchiectasis


recurrent sinusitis


subfertility (secondary to diminished sperm motility and defective ciliary action in the fallopian tubes)

Acute asthma

Acute asthma: features


Acute asthma is nearly always seen in patients who've got a history of asthma.



Features


worsening dyspnoea, wheeze and cough that is not responding to salbutamol


maybe triggered by a respiratory tract infection



Patients with acute severe asthma are stratified into moderate, severe or life-threatening



Moderate Severe Life-threatening


PEFR 50-75% best or predicted


Speech normal


RR < 25 / min


Pulse < 110 bpm PEFR 33 - 50% best or predicted


Can't complete sentences


RR > 25/min


Pulse > 110 bpm PEFR < 33% best or predicted


Oxygen sats < 92%


Silent chest, cyanosis or feeble respiratory effort


Bradycardia, dysrhythmia or hypotension


Exhaustion, confusion or coma



In addition, a normal pCO2 in an acute asthma attack indicates exhaustion and should, therefore, be classified as life-threatening.



Sarcoidosis

Sarcoidosis


Sarcoidosis is a multisystem disorder of unknown aetiology characterised by non-caseating granulomas. It is more common in young adults and in people of African descent



Features


acute: erythema nodosum, bilateral hilar lymphadenopathy, swinging fever, polyarthralgia


insidious: dyspnoea, non-productive cough, malaise, weight loss


skin: lupus pernio


hypercalcaemia: macrophages inside the granulomas cause an increased conversion of vitamin D to its active form (1,25-dihydroxycholecalciferol)