…asystole represent severe manifestations of impulse generation or conduction failure. The pathophysiology of these events may stem from reversible causes, including hypovolemia, hypoxia, cardiac tamponade…

…various chemotherapeutic agents. In the acute setting, bradyarrhythmic cardiac arrest or asystole may result from reversible systemic insults, including hypovolemia, hypoxia, cardiac tamponade, tension pneumothorax…

…infections, anemia, myocardial ischemia/infarction, pulmonary embolism, pheochromocytoma, hyperthyroidism, hypovolemia, pharmacological substances (alcohol, amphetamine, coffee, anticholinergic drugs, beta adrenergic agonists). In all of these conditions…

…of cases. Potentially reversible causes of traumatic cardiac arrest ( Salomone et al ): Hypovolemia : Hypovolemic shock is common in both penetrating and blunt force trauma. Loss…

…arrest. Within the context of pregnancy, hypovolemia and other etiologies of hypotension remain the predominant causes of cardiac arrest. Should cardiac arrest occur postpartum, hemorrhage…

…with increased risk of hypotension in patients with autonomic dysfunction, hypovolemia, or severe coronary or valvular disease Recent (<48 hours) use of dipyridamole or dipyridamole…

…investigated. Pain, infections, medications, fever, hypovolemia, dehydration, anemia, hyperthyroidism and myocarditis are common etiologies. Treatment of the underlying cause should resolve the sinus tachycardia. Sinus…

…questions must be answered immediately: 1. Is there obstruction to urine flow? 2. Is the patient hypovolaemic, adequately filled or fluid overloaded? 3. Is there…

…particularly with pethidine. Caution: untreated sleep apnoea, a concurrent benzodiazepine or gabapentinoid, marked hypovolaemia, head injury with impaired consciousness, biliary tract disease. There is no…

…two intravenous cannulae and continuous ECG monitoring. Fluid where hypovolaemia is likely, but avoid repeated blind boluses in cardiogenic toxic shock D Plasma glucose immediately…

…Septic shock is the subgroup that, despite the treatment of hypovolaemia, requires a vasopressor to maintain a MAP of at least 65 mmHg and at…

…This distinction is important because AKI after a contrast study frequently occurs in patients with several simultaneous renal insults. Infection, hypovolaemia, cardiac dysfunction, haemodynamic instability…

…0.2 mL/kg Sodium bicarbonate 50 mmol in hyperkalaemia or tricyclic poisoning 1 mmol/kg Reversible causes: hypoxia, hypovolaemia, hypo /hyperkalaemia and metabolic disturbance…

…pressure. A value of around 0.9 to 1.0 or higher in an adult trauma patient suggests significant hypovolaemia and an increased transfusion requirement…

…at initiation or during routine therapy. Potential clinically important complications and treatment related syndromes include: Hypovolaemia Falls and syncope, particularly in older adults Euglycaemic diabetic…

…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…

…particularly before laboratory results are available. Notably: Both hyperkalemia and hypokalemia can induce life threatening arrhythmias and cardiac arrest, with hyperkalemia being the most prevalent…

…SVR CVP/PCWP ScvO₂ : : : : : : : : : Hypovolaemic ↓ ↑ ↓ ↓ Cardiogenic ↓ ↑ ↑ ↓ Distributive (septic) ↑ or normal ↓↓ ↓ or normal ↑ or…

…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…

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

…torsade de pointes etc). Hypokalemia is likely to predispose to the pro arrhythmic effects of disopyramide. Structural heart disease also increases the risk of developing…

…sensitivity to digitalis related arrhythmias. The clinician must evaluate for the presence of worsening renal function, advanced age, hypokalemia, chronic lung disease, hypothyroidism, and amyloidosis…

…foscarnet, atazanavir) Hypokalemia Hypocalcemia Hypomagnesemia Cerebrovascular insult (bleeding) Myocardial ischemia Cardiomyopathy Bradycardia Hypothyroidism Hypothermia A separate chapter discusses Long QT syndrome (LQTS). A complete list…

…clearance must be assessed prior to initiation and monitored continuously during therapy. Hypokalemia is a significant risk factor for drug induced torsades de pointes; therefore…

…whenever they seek medical attention. Arrhythmias may occur already at therapeutic plasma levels of digoxin in the setting of hypokalemia. Arrhythmias caused by digoxin Digoxin…

…pressure. General hypoxia. Autonomic nervous system Neurocardiogenic syncope. Carotid Sinus Hypersensitivity. Electrolyte disturbances Hypokalemia. Hyperkalemia. Hypercalcemia. Benign causes Well trained athletes display bradycardia at rest…