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🟠 QT Drugs: Drugs causing QT prolongation, torsade de pointes (TdP) and long QT syndrome (LQTS)

…Ward syndrome Idiopathic congenital long QT syndrome (LQTS) Metabolic disorders Hypokalemia Hypomagnesemia Hypocalcemia Starvation Anorexia nervosa Liquid protein diets Hypothyroidism Bradyarrhythmia Sinus bradycardia Sinus node…

Cardiac arrest due to electrolyte imbalance

…Pamidronate 30 90 mg IV. Causal treatment of the underlying cause. Hypocalcemi Hypocalcemia may arise from various causes, including acute pancreatitis, alkalosis due to hyperventilation…

ECG changes due to electrolyte imbalance (disorder)

…ECG changes due to hypocalcemia Common ECG changes Lengthened QT interval (torsade de pointes is uncommon) Shortened QRS duration (has no clinical significance) Rare ECG…

QT duration & corrected QT (QTc) duration: ECG features & implications

…below. Short (QT) QTc syndrome Short QT syndrome (QTc <0,390 seconds) is uncommon and can be seen in hypocalcemia and during digoxin treatment. It…

Drugs in the emergency setting

…2 g Calcium chloride 10 mL of 100 mg/mL in hyperkalaemia, hypocalcaemia, calcium channel blocker poisoning 0.2 mL/kg Sodium bicarbonate 50 mmol…

Urinary alkalinisation

…creatinine and the relevant toxicology concentration. 3. Correct the hypokalaemia. Aim for a serum potassium in the upper normal range, around 4.0–4.5…

ECG J wave syndromes: hypothermia, early repolarization, hypercalcemia & Brugada syndrome

…hypercalcemia and hypothermia The J wave – also referred to as Osborn's wave – is defined as a wave occurring at the J point ( Figure 1…

Secondary Hypertension: When and How to Investigate

…in every patient with newly diagnosed or referred hypertension, with particular vigilance when the clinical history includes hypokalaemia. Endocrine disorders account for many secondary forms…

Torsades de Pointes: Definition, Characteristics, and Management

…setting of both modifiable and nonmodifiable risk factors. Modifiable risk factors include electrolyte abnormalities such as hypokalemia, the co administration of multiple QT prolonging medications…

🟠 Fenoldopam

…Flushing. Tachycardia. Nausea. Hypokalemia. Increased intra ocular pressure in patients with glaucoma. Caution Used cautiously in patients with glaucoma or increased intracranial pressure. Fenoldopam doses…

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