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Cardiac arrest in hyperthermia and malignant hyperthermia

…of 36.5 37.6°C (97.7 99.7°F). It arises when heat production or acquisition surpasses the body's capacity for heat elimination. Hyperthermia…

Sinus node dysfunction (SND) and sick sinus syndrome (SSS)

…Hyperthermia Increased intracranial pressure Irreversible causes of sinus node dysfunction Age related degenerative disease (fibrosis) Myocardial ischemia/infarction Lesions due to heart surgery Myocarditis Collagen…

Cardiac arrest in hypothermia (accidental hypothermia)

…majority of these patients exhibit satisfactory neurological function upon discharge. Figure 1 . Expected cardiopulmonary function and alertness in decreasing body temperature according to HOPE (Hypothermia…

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…

Atropine: Dosing in Bradycardia and Its Limitations

…hypothermia, and hyperkalemia. For recurrent symptomatic bradycardia, temporary or permanent pacing may be required. However, transcutaneous pacing in the setting of cardiac arrest has not…

Cardiac arrest due to hypoxia and asphyxia

…et al. Causes of in hospital cardiac arrest and influence on outcome. Resuscitation 2012;83:120611. Wood S. Interactions between hypoxia and hypothermia. Annu Rev…

Sinus bradycardia: definitions, ECG, causes and management

…hypertension). Hypothyroidism . Hypothermia . Hyperkalemia . ECG example of sinus bradycardia Figure 1 shows sinus bradycardia at a paper speed of 25 mm/s. Figure 1. Sinus…

Neutropenic fever: quick reference for emergency management

…signs of inflammation may be faint or absent. Take cultures immediately, but never let sampling, imaging, the blood count or contact with the patient's…

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

…bleeding) Myocardial ischemia Cardiomyopathy Bradycardia Hypothyroidism Hypothermia A separate chapter discusses Long QT syndrome (LQTS). A complete list of drugs causing QT prolongation can be…

Cardiac arrest during sepsis

…SA, et al. Use of CPR in hemorrhagic shock, a dog model. J Trauma Acute Care Surg 2016; 81:27 33 . Watts S, Smith JE…

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