The Importance of Magnesium in Clinical Healthcare

Table 4

Clinical symptoms and signs of magnesium deficiency.

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(i) Clinical signs are usually totally absent (chronic latent intracellular deficit)

(ii) Neuromuscular: weakness; tremor; muscle fasciculation; dysphagia; positive Chvostek’s sign (facial twitching as a reaction to facial nerve tapping); positive Trousseau’s sign (application of a pressure cuff to transiently occlude the brachial artery resulting in spasm of muscles of the hand and forearm)

(iii) Cardiac: arrhythmias and ECG changes

(iv) Central nervous system: depression, agitation, psychosis, nystagmus, and seizures

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