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143 Possible Causes for Short QT Interval

  • Acidosis

    Acidosis is the condition of having too much acid in the blood and other body fluids with two classifications – metabolic acidosis or respiratory acidosis. Metabolic acidosis: The signs will depend on the underlying cause. Usually there will be a rapid breathing (tachypnoea), lethargy and confusion with a headache.[…][]

  • Hypercalcemia

    The ECG shows: Bizarre-looking QRS complexes Very short QT interval J waves notching of the terminal QRS, best seen in lead V1 Many thanks to Dr James Hayes, FACEM, for this[] QT interval suggest hypercalcaemia.[] […] hyperparathyroidism Aluminium intoxication Milk-alkali syndrome Adrenal insufficiency Zollinger–Ellison syndrome Abnormal heart rhythms can also result, and ECG findings of a short[]

  • Familial Short QT Syndrome

    […] of CSQTS is an abnormally short QT interval.[] Diagnostic methods Expression studies have shown a gain of function and a shortening of the action potential duration, explaining the short QT interval.[] Mutation in the KCNQ1 gene leading to the short QT-interval syndrome. Circulation. 2004 May 25;109(20):2394-7.[]

  • Primary Hyperparathyroidism

    Primary hyperparathyroidism is an endocrinological disorder characterized by an excess production of parathyroid hormone due to intrinsic alterations of the patient's parathyroid glands. Symptoms presented by patients suffering from PHPT result from excess mobilization of osseous calcium phosphate and[…][]

  • Digitalis Toxicity

    OBJECTIVE: To document the prevalence of digitalis use and the incidence of hospitalization caused by digitalis toxicity. DESIGN: Observational cohort followed for 6 years. SETTING: Urban community. PARTICIPANTS: Persons were eligible if they were (1) enrolled in the Yale Health and Aging Project and (2) using digitalis[…][]

  • Hypercalcemia of Malignancy

    Abstract Parathyroid hormone-related protein (PTHrP) is the factor responsible for the syndrome of humoral hypercalcemia of malignancy (HHM). The syndrome is well documented in adult cancer patients, but has not previously been described in young children. We report the case of a 3-month-old infant who[…][]

  • Idiopathic Hypercalcemia

    J Appl Genet. 2017 Aug;58(3):349-353. doi: 10.1007/s13353-017-0397-2. Epub 2017 May 3. Pronicka E 1, 2 , Ciara E 3 , Halat P 3 , Janiec A 4 , Wójcik M 5 , Rowińska E 4 , Rokicki D 4 , Płudowski P 5 , Wojciechowska E 6 , Wierzbicka A 5 , Książyk JB 4 , Jacoszek A 7, 8 , Konrad M 9 , Schlingmann KP 9 , Litwin M 6 . Author[…][]

  • Respiratory Acidosis

    BACKGROUND AND OBJECTIVE: Few and conflicting data are available regarding the changes of plasma potassium concentration during acute respiratory acidosis in human beings. This study compares the acute changes in plasma potassium concentration in acutely hypercapnic patients and in non-hypercapnic patients[…][]

  • Metabolic Acidosis

    Am J Med Sci. 2012 Dec;344(6):501-4. doi: 10.1097/MAJ.0b013e318259bd45. Author information 1 Division of Nephrology and Hypertension, Mayo Clinic, Rochester, MN 55905, USA. Abstract Anion gap metabolic acidosis (AGMA) is commonly encountered in medical practice. Acetaminophen-induced AGMA is, however, not widely[…][]

  • Williams Syndrome

    Pediatrics. 2006 Aug;118(2):e522-5. Epub 2006 Jul 10. Author information 1 Department of Neurosurgery, Allegheny General Hospital, 420 E North Ave, Suite 302, Pittsburgh, Pennsylvania 15212, USA. Abstract Williams syndrome is a genetic condition caused by a deletion on chromosome 7. Clinically it[…][]

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