EMERGENCY MEDICINE
0:5:53 – Anemia and Polycythemia
Key Concepts • Anemia is caused by three basic mechanisms: loss of red blood cells (RBCs) through bleeding, destruction of RBCs, or decrease in production of RBCs. • RBC indices…
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0:5:53 – White Blood Cell Disorders
Key Concepts • Chronic lymphocytic leukemia (CLL) is the most common leukemia in the elderly, and acute lymphocytic leukemia (ALL) is the most common leukemia in children. • Splenomegaly is…
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0:5:50 – Blood and Blood Components
Key Concepts • Red blood cell transfusion is indicated only to increase oxygen delivery at the tissue level. • One unit of packed red blood cells (PRBCs) can be expected…
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0:5:50 – Dermatologic Presentations
Key Concepts • Accurate descriptions of dermatologic lesions are essential for diagnosis and management. Primary and secondary lesions are described in Tables 107.1 and 107.2 . TABLE 107.1 Primary Lesions…
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0:5:34 – Peripheral Nerve Disorders
Key Concepts • The diagnosis of a specific peripheral neuropathy generally requires confirmatory ancillary testing; approach in the ED should focus on identifying one of seven categorical patterns. • Diagnostic…
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0:5:35 – Neuromuscular Disorders
Key Concepts • In patients presenting with acute neuromuscular weakness, complaints of difficulty in breathing or swallowing are signs of bulbar nerve or respiratory muscle compromise with potential airway or…
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0:5:36 – Central Nervous System Infections
Key Concepts • CNS infection should be considered in all patients with headache, nuchal rigidity, fever, altered sensorium, or diffuse or focal neurologic findings. • Patients with suspected CNS infection…
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