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Physiology
While sleep spindles and K complexes are prominent in Stage 2 NREM sleep, they can also be present in the transition between wakefulness and sleep, which is considered part of Stage 1 NREM sleep.
General Medicine
CTPA is the most sensitive diagnostic test for pulmonary embolism, as it directly visualizes the emboli in the pulmonary arteries.
Pedodontics
An Ellis Class IV crown fracture is characterized by the loss of a significant portion of the crown, often such that the pulp may be exposed. This severe type of fracture requires immediate attention to prevent further damage to the tooth
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