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Updated: Aug 17, 2026

Measurement of Myocardial Lactate Production for Diagnosis of Coronary Microvascular Spasm
Published on: September 17, 2021
Diagnostic difficulties in a case of primary systemic carnitine deficiency with idiopathic dilated cardiomyopathy
M Kinali1, S E Olpin, P T Clayton
1Dubowitz Neuromuscular Centre, Department of Paediatrics, Hammersmith Hospital, Imperial College, Du Cane Road, London, W12 0HN, UK.
Abstract:
Blood spot carnitine profiles are widely used to screen for disorders of fatty acid oxidation. This case report emphasizes that a borderline concentration of free carnitine does not exclude the diagnosis of primary carnitine deficiency. Concurrent measurement of carnitine in the plasma and urine is a more sensitive test.
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