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Potassium deficiency in medical terms is also known as hypokalemia. Potassium deficiency refers to low levels of potassium in the blood, which is a root cause of various complications. Potassium, the element, is an essential constituent of our body and is important for the proper functioning of the nervous system. Potassium also helps in the movement of skeletal and muscular muscles and also regulates heart functions. Read more on what does potassium do for the body.
Potassium Deficiency in Elderly: Symptoms
Potassium deficiency signs in the elderly are common due to growing age, that leads to the deficiency of vitamins and important minerals in the body. The complications that are linked to low levels of potassium in the blood show the following symptoms.
* Fatigue (most common potassium deficiency symptom)
* Muscle weakness or muscle cramps
* Skin rashes or acne
* Nervous disorders
* Insomnia
* Slow and erratic heartbeat
* Depression
* Erratic mood changes
* Cardiac arrhythmia in sudden cases of low deficiency of potassium
* Higher blood sugar
* Bone fragility (in extreme cases)
You may read more on the signs and symptoms of low potassium.
Potassium Deficiency in Elderly: Causes
When we look at potassium deficiency causes, very rarely do we find that potassium deficiency is caused due to the lack of potassium in the diet. Mostly, potassium deficiency in elderly is caused by the use of diuretics. Diuretics are nothing but the drugs and medications, that increase the excretion of salt and water content in the urine. These diuretics are required in the treatment of acute medical conditions like high blood pressure (hypertension), heart failure, liver diseases and kidney diseases. Hypokalemia or potassium deficiency in elderly is also triggered by taking diuretics like furosemide and thiazide. You may read more on the effects of low potassium.
Other causes of potassium deficiency in elderly include diarrhea and excessive vomiting, that are caused due to the gastrointestinal tract infections. Diarrhea and vomiting lead to dehydration (loss of body water), hyponatermia (low sodium levels) and hypokalemia (low potassium levels). Diarrhea due to laxative abuse is also believed to be a related cause of potassium deficiency in elderly. Laxative abuse refers to the obsession in a person that compels him/her to get rid of unwanted calories, lose weight and appear thin. Laxative abuse is often caused due to the eating disorders like anorexia nervosa. Deficiency of potassium in elderly, that occurs due to causes like laxative abuse are often life threatening. Read more on the causes of low potassium.
Vomiting can also lead to low potassium in the blood levels. A small amount of potassium is ejected from the body during vomiting. Moreover, vomiting also triggers potassium loss from urine and it also ejects acid content from the mouth, leading to an increase in the pH level of the blood. An increased pH blood level means that the blood turns more alkaline and this directly effects the kidneys. As the blood turns alkaline in nature, it forces the kidneys to pass more potassium through the urine. So, continuous and prolonged vomiting can lead to loss of potassium from the blood and that may be beyond the normal limit. Read more on low potassium levels.
Potassium Deficiency in Elderly: Diagnosis
Potassium deficiency in elderly can be diagnosed by taking blood samples, preparing blood serum and measuring the concentration of potassium ions in the blood. Some methods that can easily measure the potassium ion concentration in blood are atomic absorption and spectroscopy. Urine samples of the patients are also tested in order to trace the cause of the potassium deficiency.
Potassium Deficiency in Elderly: Treatment
In the initial stages, when a person starts experiencing potassium deficiency symptoms he/she should immediately seek medical advice. In urgent cases of potassium deficiency, the heart beat of the patient must be monitored constantly under the supervision of a medical expert. If the doctor finds that potassium levels in the blood is less than a certain normal, then the doctor may prescribe intravenous potassium supplements. These supplements are in the form of pills, that contain potassium chloride (KCl) and potassium bircarbonate (KHCO3). Potassium deficiency treatment for the patients who are able to get medication in the early stages of the disorder consist of following a healthy lifestyle coupled with a diet rich in potassium. For that, you may wish to read more on
* Potassium rich foods - list of foods high in potassium
* Sources of potassium
Usually hypokalemia is not a concern for elderly who follow a healthy lifestyle and include rich potassium diet in their food. Mostly, all foods contain good amount of potassium and some like bananas, tomatoes, potatoes, milk and fig etc, contain high amounts of potassium in them. For the elderly that take diuretics, a high potassium diet is very essential.
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