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As a result, the muscle cannot contract efficiently (paralysis). The condition is hypokalemic (manifests when potassium is low; not "causing hypokalemia") because a low extracellular potassium ion concentration will cause the muscle to repolarise to the resting potential more quickly, so even if calcium conductance does occur it cannot be ...
Severe hypokalemia, with serum potassium concentrations of 2.5–3 meq/L (Nl: 3.5–5.0 meq/L), may cause muscle weakness, myalgia, tremor, and muscle cramps (owing to disturbed function of skeletal muscle), and constipation (from disturbed function of smooth muscle). With more severe hypokalemia, flaccid paralysis and hyporeflexia may result
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The funny current is highly expressed in spontaneously active cardiac regions, such as the sinoatrial node (SAN, the natural pacemaker region), the atrioventricular node (AVN) and the Purkinje fibres of conduction tissue. The funny current is a mixed sodium–potassium current that activates upon hyperpolarization at voltages in the diastolic ...
Cortisol at high concentrations can cross-react and activate the mineralocorticoid receptor due to the non-selectivity of the receptor, leading to aldosterone-like effects in the kidney. This is what causes the hypokalemia, hypertension, and hypernatremia associated with the syndrome. Patients often present with severe hypertension and end ...
Hypokalemia leads to hyperpolarization of muscle cells, making the neuromuscular junction less responsive to normal nerve impulses and leading to decreased contractility of the muscles. [ 1 ] It is not clear how the described genetic defects increase the Na + /K + -ATPase activity, but it is suspected that the enzyme becomes more active due to ...
Choke is a condition in horses in which the esophagus is blocked, usually by food material. Although the horse is still able to breathe, it is unable to swallow, and may become severely dehydrated . A secondary condition, aspiration pneumonia , may also develop if food material and saliva accumulate in the pharynx, spilling into the trachea and ...
The same should be done when cooling down. Ensure that the horse is cared for, for an issues to the immune system and allowed to recover before continuing training. [1] A horse ideally should receive exercise once, or possibly twice a day, every day, to prevent the recurrence of ER. If possible, avoid breaks in the horse's exercise schedule. [1]