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Leadpipe rigidity is sustained resistance to passive movement throughout the whole range of motion, with no fluctuations. Cogwheel rigidity is jerky resistance to passive movement as muscles tense and relax. Spasticity, a special form of rigidity, is present only at the start of passive movement. It is rate-dependent and only elicited upon a ...
Serotonin syndrome (SS) is a group of symptoms that may occur with the use of certain serotonergic medications or drugs. [1] The symptoms can range from mild to severe, and are potentially fatal. [4] [5] [2] Symptoms in mild cases include high blood pressure and a fast heart rate; usually without a fever. [2]
Neuroleptic malignant syndrome (NMS) usually presents with a "lead pipe rigidity" in which the muscles are stiffened and resistance is observed throughout the range of motion on testing. Severe cases may present as catatonia in which the person is not responsive to stimuli. [7]
Parkinsonism is a clinical syndrome characterized by the four motor symptoms found in Parkinson's disease: tremor, bradykinesia (slowed movements), rigidity, and postural instability. [1] [2] Parkinsonism gait problems can lead to falls and serious physical injuries. Other common symptoms include:
A cross section of a lead water pipe is displayed under a microscope in a lab at the U.S. Environmental Protection Agency’s Andrew W. Breidenbach Environmental Research Center in Cincinnati last ...
Extrapyramidal symptoms are most commonly caused by typical antipsychotic drugs that antagonize dopamine D2 receptors. [2] The most common typical antipsychotics associated with EPS are haloperidol and fluphenazine. [4] Atypical antipsychotics have lower D2 receptor affinity or higher serotonin 5-HT2A receptor affinity which lead to lower rates ...
President Joe Biden took a major step toward eliminating the national scourge of lead pipes, unveiling a new rule mandating the removal of all lead pipes within the next decade, in addition to $2. ...
These syndromes are differentiated by other associated symptoms, such as tremor in serotonin syndrome and "lead-pipe" muscle rigidity in neuroleptic malignant syndrome. [2] Recreational drugs such as amphetamines [17] and cocaine, [18] PCP, dextromethorphan, LSD, and MDMA may cause hyperthermia. [2]