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Kaliumdefizit: typische Anzeichen, Auslöser, gesundheitliche Folgen und Referenzbereiche des Kaliumspiegels
Risiken Für Herz-Kreislauf-Gesundheit
Blutdruckregulation
Herz-Kreislauf-Gesundheit
Gesundheitliche Ernährungsrisiken
Gesundheitliche Folgen
Elektrolythaushalt
Gesundheitsrisiken Von Natrium
Ernährungsbewusstsein
Natrium Und Gesundheit
Säure-Basen-Haushalt
Mia Hoffmann
Autor
2026-05-19
Datum
4 Min. Lesezeit
article.read_time
5
Kapitel
Kalium zählt – neben Natrium – zu den essenziellen Elektrolyten, die für die Aufrechterhaltung des Säure-Basen-Haushalts, die neuromuskuläre Erregungsleitung sowie die Blutdruckregulation unverzichtbar sind. Ein chronischer Kaliummangel, der häufig als harmlose Erschöpfung fehlinterpretiert oder unterschätzt wird, kann schwerwiegende Herzrhythmusstörungen, Skelettmuskelschwäche und im Extremfall sogar einen plötzlichen Herztod auslösen. Die zunehmende Prävalenz von Hypokaliämie in Populationen mit unausgewogener Ernährung oder unter Diuretika-Therapie stellt ein bedeutendes öffentliches Gesundheitsproblem dar, das sowohl bei Patienten als auch im medizinischen Fachpersonal ein höheres Bewusstsein erfordert.
Potassium in the body is the norm
Almost 90% of potassium is found inside cells, and 8% is stored in bones. This element is also an ingredient in digestive juice. It is responsible for regulating the water economy of the body, so the intracellular osmotic pressure, as well as muscle and nerve function, also affects the acid-base balance. Additionally, it is essential for the activation of many enzymes.
Potassium deficiency
Potassium deficiency, or in other words hypocaemia in the body, is rarely seen and is not present in people who follow a rational and well-balanced diet. It occurs when the body's potassium concentration drops below 3.5 mmol/l in the blood, where it is normally at 3.5 5 mmol /l. Usually, the amount taken with food is much higher than the need for it.
Potassium deficiency is a symptom
The most important symptoms of potassium deficiency include: impaired central nervous system function or skeletal muscle swelling. Much more dangerous is the result of this condition of smooth muscle paralysis, which leads to persistent constipation. Very often heart rhythm disorders, acne or rash, and even dry skin can indicate deficiency. People with the described disease complain of rapid swelling and insomnia. They usually experience nervous anxiety and tension, and relaxation is not specific to them.
Potassium deficiency is a cause
Potassium deficiency most often occurs as a result of diarrhoea. Additionally, increased sweating, e.g. related to disease, can lead to this condition, as this macronutrient is excreted not only in the urine but also afterwards. Due to the elimination of this element through the urinary system, the use of urine-containing medicines is one of the causes of the disease. In addition, both the consumption of starvation and vomiting are predisposed to deficiency.
Potassium deficiency is a side effect
The effects of potassium deficiency can be dangerous to the health and even to the life of the patient. Because it is essential for maintaining balance in our cells and for the proper functioning of many systems, especially the nervous system. There is a weakening of cellular oxygenation, as well as impairment of nerve-muscle stimulation.
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