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Atropine: Dosing in Bradycardia and Its Limitations

…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…

Isoprenaline and Dopamine Infusions for Bradycardia

…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…

Sinus tachycardia & Inappropriate sinus tachycardia

…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…

Traumatic cardiac arrest

…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…

Cardiac arrest during pregnancy and childbirth

…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…

Indications and contraindications for myocardial perfusion imaging

…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…

Interpretation of neonatal and pediatric electrocardiograms (ECG)

…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…

Acute kidney injury: quick reference for management

…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…

Opioid therapy in severe pain

…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…

Poisoning: quick reference for antidotes and initial management

…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…

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