T44.7X

Clinical Causes: Accidental overdose of beta-blocker medication Intentional poisoning or deliberate overdose Incorrect dosing prescribed by a healthcare provider Misuse or abuse of beta-blockers for non-medical reasons Adverse reactions due to sensitivity or allergy to the medication Drug interactions that amplify effects leading to toxicity

Key Symptoms: Slow heart rate (bradycardia) Low blood pressure (hypotension) Dizziness or fainting Weakness or fatigue Shortness of breath Cold extremities Confusion or dizziness Worsening of underlying conditions such as asthma or diabetes

Diagnosis Path: Diagnosing poisoning by beta-adrenoreceptor antagonists involves a combination of clinical evaluation and laboratory tests. Healthcare providers typically review the patient's medical history, medication usage, and any recent overdose incidents. Blood tests can measure drug levels, assess electrolyte balance, and check for signs of organ impairment. Monitoring vital signs like heart rate and blood pressure helps determine the severity of toxicity. Additional tests may include ECGs to evaluate heart rhythm and other relevant investigations to rule out secondary conditions.

Treatment Protocols: Treating poisoning by beta-blockers focuses on stabilizing the patient's vital signs, counteracting the drug's effects, and preventing complications. Common interventions include: - **Supportive care:** Monitoring vital signs closely, ensuring airway patency, and providing oxygen if needed. - **Gastrointestinal decontamination:** Administering activated charcoal if the ingestion was recent to reduce absorption. - **Specific antidotes:** The primary treatment is intravenous administration of glucagon, which can help improve heart function and increase heart rate. - **Additional medications:** Vasopressors or inotropes may be used to raise blood pressure and support cardiac output. - **Advanced interventions:** In severe cases, procedures like intravenous calcium gluconate or even temporary pacing might be necessary. Treatment strategies depend on the severity of poisoning and the specific patient circumstances. Prompt medical attention is crucial for effective management.