OBJECTIVE To study the clinical characteristics of patients who suffer from hypokalemic periodic paralysis, as the presenting symptoms of thyrotoxicosis. MATERIAL AND METHOD A retrospective review of 29 patients who presented with the syndrome of hypokalemic periodic paralysis as the symptom of thyrotoxicosis at Ratchaburi Hospital between January 1,1995 and December 31, 2007. Patients'data, ...

Familial periodic paralysis is a malady usually characterized by (1) recurrent flaccid muscular paralysis, (2) history of the disease in other members of the family, (3) depression of the level of potassium ions in the blood serum during an episode of paresis, (4) impairment of electrical excitability of the musculature, (5) impairment of deep reflexes, (6) retention of consciousness without al...

Hyperthyroid periodic paralysis (HPP) is a rare life threatening complication of hyperthyroidism commonly occurring in young Asian males but sporadically found in other races. It is characterised by hypokalemia and acute onset paraparesis with prevalence of one in one hundred thousand (1 in 100000). The symptoms resolve promptly with potassium supplementation. Nonselective beta blockers like pr...

The association of myasthenia gravis and periodic paralysis in thyrotoxicosis has not been reported before. We describe a Chinese man with thyrotoxicosis and myasthenia gravis, who subsequently developed periodic paralysis. The possible aetiological links are discussed.

BACKGROUND Primary periodic paralyses are rare inherited muscle diseases characterised by episodes of flaccid weakness affecting one or more limbs, lasting several hours to several days, caused by mutations in skeletal muscle channel genes. OBJECTIVES The objective of this review was to systematically review treatment of periodic paralyses. SEARCH STRATEGY We searched the Cochrane Neuromusc...

Familial periodic paralyses are typical channelopathies (i.e., caused by functional disturbances of ion channel proteins). The episodes of flaccid muscle weakness observed in these disorders are due to underexcitability of sarcolemma leading to a silent electromyogram and the lack of action potentials even upon electrical stimulation. Interictally, ion channel malfunction is well compensated, s...

A 17-year-old girl suffered from episodes of flaccid paralysis during each menstrual cycle. No relevant changes were found in potassium concentrations in serum or erythrocytes, nor in the values of pituitary, ovarian, adrenal or thyroid hormones. Acetazolamide administration prevented the attacks.

a case of renal tubular acidosis (rta) who had gradual onset of paralysis of lower extremities and persisted for a long time is presented. his primary workups were mistaken for muscular dystrophy. eventually, an abdominal ultrasonography revealed small stones in both of the kidneys and his workup for the stones were in favor of distal renal tubular acidosis and advanced rickets with hypokalemia...