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[1] [2] Hyperkalemia can cause an abnormal heart rhythm which can result in cardiac arrest and death. [1] [3] Common causes of hyperkalemia include kidney failure, hypoaldosteronism, and rhabdomyolysis. [1] A number of medications can also cause high blood potassium including spironolactone, NSAIDs, and angiotensin converting enzyme inhibitors. [1]
Atrial fibrillation is one of the most common cardiac arrhythmias. In general, it is an irregular, narrow complex rhythm. However, it may show wide QRS complexes on the ECG if a bundle branch block is present. At high rates, the QRS complex may also become wide due to the Ashman phenomenon. It may be difficult to determine the rhythm's ...
It also accounts for one-third of hospital admissions for cardiac rhythm disturbances, [28] and the rate of admissions for AF has risen. [173] AF is the cause for 20% to 30% of all ischemic strokes. [172] After a transient ischemic attack or stroke, about 11% are found to have a new diagnosis of atrial fibrillation.
Some arrhythmias do not cause symptoms and are not associated with increased mortality. However, some asymptomatic arrhythmias are associated with adverse events. Examples include a higher risk of blood clotting within the heart and a higher risk of insufficient blood being transported to the heart because of a weak heartbeat.
People considered to be at high risk for an arrhythmia include those with organic heart disease or any myocardial abnormality that may lead to serious arrhythmias. [1] These conditions include a scar from myocardial infarction, idiopathic dilated cardiomyopathy , clinically significant valvular regurgitant, or stenotic lesions and hypertrophic ...
Sinus tachycardia is a sinus rhythm of the heart, with an increased rate of electrical discharge from the sinoatrial node, resulting in a tachycardia, a heart rate that is higher than the upper limit of normal (90-100 beats per minute for adult humans).
Calcipotriene causes a rapid rise in calcium ion levels. [31] Calcium ion levels can remain high for weeks if untreated and lead to an array of medical issues. [31] There are also cases of hypercalcemia reported due to dogs ingesting rodenticides containing a chemical similar to calcipotriene found in psoriasis cream. [31]
Right atrial enlargement (RAE) is clinically significant due to its prevalence in diagnosing supraventricular arrhythmias. Further, early diagnosis using risk factors like RAE may decrease mortality because patients with RAE are at 9x more risk of arrhythmias and other cardiac conditions compared to their healthy counterparts. [2]