概括
维生素B12缺乏会导致精神和认知问题,模仿其他疾病. 早期诊断和使用维生素B12补充剂的治疗对于改善症状至关重要.
科学领域:
- 神经学 神经学
- 精神病学是一个精神病学.
- 血液学 血液学 血液学
背景情况:
- 维生素B12缺乏可以呈现出多样化和复杂的症状.
- 恶性贫血是维生素B12缺乏的常见原因,最初可能表现为精神和认知方面的投诉.
- 早期识别至关重要,因为症状可能会先于客观的血液学或神经学发现.
研究的目的:
- 报告出现精神和认知症状的维生素B12缺乏病例.
- 突出早期恶性贫血的诊断挑战.
- 强调在无法解释的神经和精神病的表现中考虑维生素B12缺乏的重要性.
主要方法:
- 一个男性患者向精神卫生保健中心提交的案例研究.
- 临床观察症状,包括失去恐惧/同情,冷漠,认知缺陷,疲劳,寒冷的四肢和麻醉.
- 实验室调查包括血红蛋白和维生素B12水平,从而诊断出恶性贫血.
主要成果:
- 最初的例行检查结果正常,延迟了诊断.
- 随后的测试显示血红蛋白和维生素B12水平下降,证实了恶性贫血.
- 用维生素B12补充剂治疗导致症状逐渐改善.
结论:
- 维生素B12缺乏可以表现为显著的精神和认知症状,包括记忆和注意力缺陷.
- 恶性贫血可能在血液学或神经学症状显现之前仅表现出精神症状.
- 这一案例凸显了将维生素B12评估纳入无法解释的精神病和认知障碍的差异诊断的必要性.
相关概念视频
Disorders of Erythrocytes
970
Disorders of erythrocytes, or red blood cells (RBCs), include a range of conditions affecting their number, shape, or function.
Erythrocyte disorders can be broadly categorized into two main types: anemic and polycythemic conditions.
A low oxygen-carrying capacity of the blood due to the loss, lower production, or destruction of erythrocytes is termed anemia. Hemorrhagic anemia, for example, occurs when bleeding from an external wound or internal ulcer reduces erythrocyte counts.
On the other...
Erythrocyte disorders can be broadly categorized into two main types: anemic and polycythemic conditions.
A low oxygen-carrying capacity of the blood due to the loss, lower production, or destruction of erythrocytes is termed anemia. Hemorrhagic anemia, for example, occurs when bleeding from an external wound or internal ulcer reduces erythrocyte counts.
On the other...
970
Anorexia Nervosa
118
Anorexia nervosa is a complex and severe eating disorder characterized by an intense fear of weight gain, an unrelenting pursuit of thinness, and a distorted body image. It often leads to dangerously low body weight relative to an individual's age and height. This disorder is marked by significant physical and psychological consequences, making it one of the most life-threatening psychiatric illnesses.
Symptoms and Physical Effects
Individuals with anorexia nervosa commonly exhibit extreme...
Symptoms and Physical Effects
Individuals with anorexia nervosa commonly exhibit extreme...
118
Subconsciousness and No Awareness
258
The concept of subconscious awareness refers to the processing of information below the level of conscious thought, which significantly influences both behaviors and decisions. It is also known as waking subconscious awareness. This complex level of cognition operates without the direct awareness of the individual, facilitating rapid and simultaneous handling of multiple information streams.
An illustrative example of subconscious processing is its role in problem-solving. Often, individuals...
An illustrative example of subconscious processing is its role in problem-solving. Often, individuals...
258
Necrosis
4.6K
Necrosis is considered as an “accidental” or unexpected form of cell death that ends in cell lysis. The first noticeable mention of “necrosis” was in 1859 when Rudolf Virchow used this term to describe advanced tissue breakdown in his compilation titled “Cell Pathology”.
Morphological Manifestations of Necrosis
Necrotic cells show different types of morphological appearance depending on the type of tissue and infection. In coagulative necrosis, cells become...
Morphological Manifestations of Necrosis
Necrotic cells show different types of morphological appearance depending on the type of tissue and infection. In coagulative necrosis, cells become...
4.6K
Negative and Cognitive Symptoms of Schizophrenia
60
Negative symptoms of schizophrenia indicate a reduction or absence of typical behaviors and emotional responses found in healthy individuals, while positive symptoms reflect an excess or distortion of normal functioning.
Negative Symptoms
Negative symptoms of schizophrenia manifest as deficits in normal emotional and behavioral functioning, profoundly impacting daily life. Individuals with schizophrenia often display a flat affect, characterized by a near-total absence of emotional expression,...
Negative Symptoms
Negative symptoms of schizophrenia manifest as deficits in normal emotional and behavioral functioning, profoundly impacting daily life. Individuals with schizophrenia often display a flat affect, characterized by a near-total absence of emotional expression,...
60
Chronic Kidney Disease II: Clinical Manifestations
16
Chronic Kidney Disease (CKD) progressively impairs multiple body systems due to the accumulation of uremic toxins, which disrupt cellular functions across various organs.Neurologic symptomsNeurologic symptoms often arise early in CKD, as uremic toxin buildup drives changes in cognitive and motor functions. Patients frequently experience fatigue, headache, confusion, difficulty concentrating, and, in severe cases, seizures. Peripheral neuropathy commonly manifests as burning sensations in the...
16


