How Long Till I Can Walk Again From Potassium Paralysis

Hyperkalemic periodic paralysis

Periodic paralysis - hyperkalemic; Familial hyperkalemic periodic paralysis; HyperKPP; HyperPP; Gamstorp affliction; Potassium-sensitive periodic paralysis

Hyperkalemic periodic paralysis (hyperPP) is a disorder that causes occasional episodes of muscle weakness and sometimes a higher than normal level of potassium in the blood. The medical name for high potassium level is hyperkalemia.

HyperPP is one of a group of genetic disorders that includes hypokalemic periodic paralysis and thyrotoxic periodic paralysis.

Muscular atrophy is the decrease in size and wasting of muscle tissue. Muscles that lose their nerve supply tin atrophy and only waste material away.

Causes

HyperPP is congenital. This means it is present at nascence. In most cases, information technology is passed down through families (inherited) every bit an autosomal dominant disorder. In other words, only ane parent needs to pass the gene related to this condition on to their child in order for the child to exist affected.

Occasionally, the condition may be the result of a genetic problem that is not inherited.

Information technology is believed that the disorder is related to bug with the style the torso controls sodium and potassium levels in cells.

Risk factors include having other family members with periodic paralysis. It affects men and women every bit.

Symptoms

Symptoms include attacks of muscle weakness or loss of musculus motion (paralysis) that come up and go. At that place is normal muscle forcefulness between attacks.

Attacks usually begin in babyhood. How oft the attacks occur varies. Some people have several attacks a solar day. They are unremarkably not severe enough to need therapy. Some people accept associated myotonia, in which they cannot immediately relax their muscles after use.

The weakness or paralysis:

• Most usually occurs at the shoulders, back, and hips
• May also involve the arms and legs, but does not touch muscles of the eyes and muscles that assist with breathing and swallowing
• Nearly usually occurs while resting afterwards activity or practise
• May occur on awakening
• Occurs on and off
• Usually lasts 15 minutes to 1 hour, just may last up to an entire day

Triggers may include:

• Eating a high sugar meal
• Rest after do
• Exposure to cold
• Skipping meals
• Eating potassium-rich foods or taking medicines that contain potassium
• Stress

Exams and Tests

The health care provider may suspect hyperPP based on a family unit history of the disorder. Other clues to the disorder are muscle weakness symptoms that come up and get with normal or high results of a potassium test.

Between attacks, a physical examination shows nothing aberrant. During and between attacks, potassium blood level tin be normal or high.

During an assail, musculus reflexes are decreased or absent. And muscles go limp rather than staying potent. Muscle groups near the body, such equally the shoulders and hips, are involved more often than the arms and legs.

Tests that may done include:

• Electrocardiogram (ECG), which may be abnormal during attacks
• Electromyography (EMG), which is ordinarily normal between attacks and aberrant during attacks
• Muscle biopsy, which may show abnormalities

Other tests may be ordered to rule out other causes.

Handling

The goal of handling is to relieve symptoms and prevent farther attacks.

Attacks are seldom severe enough to crave emergency handling. But irregular heartbeats (heart arrhythmias) may also occur during attacks, for which emergency treatment is needed. Musculus weakness can become worse with repeated attacks, and so treatment to prevent the attacks should occur as soon as possible.

Glucose or other carbohydrates (sugars) given during an assail may reduce the severity of the symptoms. Calcium or diuretics (h2o pills) may need to be given through a vein to end sudden attacks.

Outlook (Prognosis)

Sometimes, attacks disappear subsequently in life on their ain. But repeated attacks may lead to permanent muscle weakness.

HyperPP responds well to treatment. Treatment may prevent, and may even reverse, progressive muscle weakness.

Possible Complications

Health problems that may be due to hyperPP include:

• Kidney stones (a side issue of medicine used to treat the condition)
• Irregular heart beat
• Muscle weakness that slowly continues to get worse

When to Contact a Medical Professional

Contact your provider if you or your child has muscle weakness that comes and goes, specially if you have family unit members who have periodic paralysis.

Go to the emergency room or telephone call the local emergency number (such as 911) if you faint or have difficulty animate, speaking, or swallowing.

Prevention

The medicines acetazolamide and thiazides preclude attacks in many cases. A low potassium, high saccharide diet, and lite exercise may help forbid attacks. Fugitive fasting, strenuous activeness, or common cold temperatures also may help.

References

Boegle AK, Narayanaswami P. Treatment and management of disorders of neuromuscular hyperexcitability and periodic paralysis. In: Bertorini TE, ed. Neuromuscular Disorders: Treatment and Direction. 2d ed. St Louis, MO: Elsevier; 2022:chap 18.

Doughty CT, Amato AA. Disorders of skeletal muscle. In: Jankovic J, Mazziotta JC, Pomeroy SL, Newman NJ, eds. Bradley and Daroff's Neurology in Clinical Do. 8th ed. Philadelphia, PA: Elsevier; 2022:chap 109.

Kang MK, Kerchner GA, Ptacek LJ. Channelopathies: episodic and electrical disorders of the nervous system. In: Jankovic J, Mazziotta JC, Pomeroy SK, Newman NJ, eds. Bradley and Daroff'due south Neurology in Clinical Practice. 8th ed. Philadelphia, PA: Elsevier; 2022:chap 98.

Version Info

Last reviewed on: 10/31/2021

Reviewed by: Walead Latif, MD, Nephrologist and Clinical Associate Professor, Rutgers Medical Schoolhouse, Newark, NJ. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.One thousand. Editorial team.

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Source: https://www.mountsinai.org/health-library/diseases-conditions/hyperkalemic-periodic-paralysis

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