Chapter 020 Hypothermia and Frostbite (Part 2) pot

... patient with mild hypothermia should raise suspicion of an overdose or CNS dysfunction due to infection or trauma. Table 20-2 Physiologic Changes Associated with Accidental Hypothermia nt; malada ptive ... 20 -2). Without knowing the core temperature, it can be difficult to interpret other vital signs. For example, a tachycardia disproportionate to the core temperature suggests sec...

Ngày tải lên: 06/07/2014, 12:21

... gluconeogenesis, as well as a Chapter 020. Hypothermia and Frostbite (Part 1) Harrison's Internal Medicine > Chapter 20. Hypothermia and Frostbite Hypothermia Accidental hypothermia occurs when ... lead to hypothermia. Hypothyroidism—particularly when extreme, as in myxedema coma—reduces the metabolic rate and impairs thermogenesis and behavioral re...

Ngày tải lên: 06/07/2014, 12:21

... BP, blood pressure; CV, central venous; ROR, rate of rewarming.[newpage] Chapter 020. Hypothermia and Frostbite (Part 4) Rewarming Strategies The key initial decision is whether to rewarm ... accidental hypothermia. The patient must have sufficient glycogen to support endogenous thermogenesis. The application of heat directly to the extremities of patients with chronic s...

Ngày tải lên: 06/07/2014, 12:21

... of Chapter 020. Hypothermia and Frostbite (Part 3) Source: Modified from RR Kempainen, DD Brunette: Resp. Care 49:192, 2004.Physical examination findings can also be altered by hypothermia. ... assumption that areflexia is solely attributable to hypothermia can obscure and delay the diagnosis of a spinal cord lesion. Patients with hypothermia may be confused or com...

Ngày tải lên: 06/07/2014, 12:21

... with standard therapy. The administration of parenteral levothyroxine to euthyroid patients with hypothermia, however, is potentially hazardous. Because laboratory results can be delayed and confounded ... suggestive of hypothyroidism should be sought. When myxedema is the cause of hypothermia, the relaxation phase of the Achilles reflex is prolonged more than the contraction phase....

Ngày tải lên: 06/07/2014, 12:21

... Chapter 018. Fever and Rash (Part 2) Centrally Distributed Maculopapular Eruptions Centrally distributed rashes, ... measles and are generally seen during the first 2 days of symptoms. They should not be confused with Fordyce's spots (ectopic sebaceous glands), which have no erythematous halos and are ... received the killed measles vaccine between 1963 and 1967 i...

Ngày tải lên: 06/07/2014, 12:20

... (vestibulospinal pathway), and the reticular formation (reticulospinal pathway). These pathways influence axial and proximal muscles and are involved in the maintenance of posture and integrated movements ... motor neurons have their cell bodies in layer V of the primary motor cortex Chapter 023. Weakness and Paralysis (Part 2) Pathogenesis Upper Motor Neuron Weakness...

Ngày tải lên: 06/07/2014, 13:20

... Chapter 026. Confusion and Delirium (Part 2) Epidemiology Delirium is a common disease, but its reported incidence ... inpatients, and the diagnosis is especially problematic in the ICU environment where cognitive dysfunction is often difficult to appreciate in the setting of serious systemic illness and sedation. ... benign prognosis. Delirium has now been clearly associ...

Ngày tải lên: 06/07/2014, 13:20

... are manifest as ECF volume contraction or expansion and imply abnormal Na + balance. Sodium Intake Chapter 046. Sodium and Water (Part 2) Water Excretion In contrast to the ingestion ... hormone), a polypeptide synthesized in the supraoptic and paraventricular nuclei of the hypothalamus and secreted by the posterior pituitary gland. The binding of AVP to V 2 rece...

Ngày tải lên: 06/07/2014, 15:21

... Chapter 040. Diarrhea and Constipation (Part 2) Neural Control The small intestine and colon have intrinsic and extrinsic innervation. The intrinsic ... the small intestine and colon are part of the autonomic nervous system and also modulate motor and secretory functions. The parasympathetic nerves convey visceral sensory and excitatory pathways ... non-neural me...

Ngày tải lên: 06/07/2014, 15:21