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E-Lessons

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18
May
2025
Comparison of Long-Acting Injectable (LAI) Antipsychotic Medications
Posted On May 18, 2025  By [email protected]  And has No Comment

First-Generation LAIs Haloperidol Decanoate (Haldol Decanoate) Fluphenazine Decanoate (Prolixin Decanoate) Second-Generation LAIs Risperidone Microspheres (Risperdal Consta) Paliperidone Palmitate (Multiple Formulations) Aripiprazole LAIs Olanzapine Pamoate (Zyprexa Relprevv) Comparative Factors Efficacy Rankings Metabolic Profile (Best to Worst) EPS Risk (Lowest to Highest) Prolactin Elevation (Lowest to Highest) Convenience […]

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18
May
2025
Why did Olanzapine Long-Acting Antipsychotics fail to continue?
Posted On May 18, 2025  By [email protected]  And has No Comment

Olanzapine pamoate (Zyprexa Relprevv) actually does exist as a long-acting injectable (LAI) antipsychotic, but it has had a more limited clinical adoption compared to other LAIs for several important reasons: This combination of safety concerns, logistical requirements, and market competition limited the widespread adoption of olanzapine […]

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09
May
2025
Neurobiology of SSRI-Induced Sexual Dysfunction
Posted On May 9, 2025  By [email protected]  And has No Comment

SSRI-induced sexual dysfunction affects approximately 40-70% of patients and involves complex neurobiological mechanisms across multiple systems governing sexual response. The underlying pathophysiology encompasses several interrelated mechanisms: Serotonergic Mechanisms 5-HT Receptor Subtypes Serotonergic Projections Downstream Neurotransmitter Effects Dopaminergic System Cholinergic System Nitric Oxide Pathway Neuroendocrine Mechanisms Hypothalamic-Pituitary-Gonadal […]

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09
May
2025
Neurobiology of SSRI-Induced Blunted Affect
Posted On May 9, 2025  By [email protected]  And has No Comment

Selective Serotonin Reuptake Inhibitors (SSRIs) can produce emotional blunting or flattened affect in a substantial subset of patients. This phenomenon involves complex neurobiological mechanisms across multiple systems: Serotonergic Mechanisms Direct 5-HT Effects Regional 5-HT Imbalance Dopaminergic System Interactions Mesolimbic Reward Circuit Mesocortical Pathway Glutamatergic and GABAergic […]

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09
May
2025
Neurobiology of Anhedonia
Posted On May 9, 2025  By [email protected]  And has No Comment

Anhedonia —the reduced ability to experience pleasure—represents a complex neurobiological phenomenon involving multiple brain circuits, neurotransmitter systems, and molecular mechanisms. Here’s a comprehensive overview: Core Neural Circuits Reward Processing Network Corticolimbic Networks Neurotransmitter Systems Dopaminergic Mechanisms Serotonergic Contributions Other Neurotransmitter Systems Molecular and Cellular Mechanisms Neuroplasticity […]

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06
May
2025
The management of antidepressant-induced excessive sweating (diaphoresis)
Posted On May 6, 2025  By [email protected]  And has No Comment

The management of antidepressant-induced excessive sweating (diaphoresis) can be challenging but several approaches are available. Here’s a concise overview of treatment options: Pharmacological Interventions First-line approaches: Second-line approaches: Alternative antidepressant options: Non-pharmacological Management Clinical Considerations This approach allows for individualized management of SSRI/SNRI-induced diaphoresis while maintaining […]

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22
Feb
2025
Psychiatric Signs Alphabet order
Posted On February 22, 2025  By [email protected]  And has No Comment

Here’s a list of psychiatric signs and symptoms starting with the letter A, along with informative descriptions: These signs and symptoms are important indicators in psychiatric evaluations and can help clinicians diagnose and treat mental health conditions effectively. B C D Disruptive Mood Dysregulation Disorder (DMDD): […]

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16
Feb
2025
CVS and Psychiatric Presentation
Posted On February 16, 2025  By [email protected]  And has No Comment

Could a routine MRI scan reveal hidden risks for stroke, dementia, and severe depression? White matter hyperintensities (WMHs) are more than just age-related changes—they may serve as critical markers for neuropsychiatric disease progression. Research consistently links WMHs to serious neuropsychiatric outcomes: What Does This Mean for Psychiatric Practice? […]

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14
Feb
2025
SERT: DAT: NET: SEROTONIN, DOPAMINE AND NORADRENALINE TRANSPORTERS
Posted On February 14, 2025  By [email protected]  And has No Comment

Serotonin Transporter (SERT) What is the Serotonin Transporter (SERT)? Function of SERT: Location of SERT: Dopamine Transporter (DAT) What is the Dopamine Transporter (DAT)? Function of DAT: Clinical Significance of DAT: Norepinephrine Transporter (NET) What is the Norepinephrine Transporter (NET)? Function of NET: Clinical Significance of […]

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13
Feb
2025
Heavy physical exercises can significantly elevate Creatine Kinase
Posted On February 13, 2025  By [email protected]  And has No Comment

Yes, heavy physical exercises can significantly elevate Creatine Kinase (CK) levels. Here’s a detailed explanation: Normal vs Exercise-Induced CK Elevations: Factors Affecting CK Elevation: Risk Factors for Excessive Elevation: Warning Signs: Recommendations: High risk medication can elevate CKs: Here are the high-risk medications that can elevate […]

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