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Introduction to Cardiac Pacing and Devices: Pacemaker, ICD, CRT

…in engineering, notably with the advent of transistors, programmable circuits, lithium batteries, and Internet connected devices. Additional breakthroughs have been achieved in recent years, with…

Isoprenaline and Dopamine Infusions for Bradycardia

…propafenone, procainamide, disopyramide, adenosine, digoxin, ivabradine), psychoactive and neuroactive drugs (lithium, phenothiazine, phenytoin, carbamazepine), and various chemotherapeutic agents. In the acute setting, bradyarrhythmic cardiac arrest…

Components and construction of a pacemaker

…battery is used to deliver pacing pulses, sensing (analyzing electrical activity in the heart) and store electrocardiograms. The pacemaker is powered by a lithium battery…

ECG changes due to electrolyte imbalance (disorder)

…Addison's disease, renal failure, tamoxifen, lithium, thiazide diuretics, D vitamin and calcium overdose. ECG changes due to hypercalcemia Common ECG changes Shortened QT interval…

Indications for pacemaker

…Calcium antagonists. Digoxin (digitalis). Ivabradin. Class IA, IC and III antiarrhythmics. Tricyclic antidepressants . Lithium. Cholinesterase inhibitors. Methyldopa. Reserpine. Clonidine. Conditions Myocardial ischemia, myocardial infarction (can…

Gastric lavage and activated charcoal

…with the poison control centre. Gastric lavage is considered only after a life threatening ingestion of a highly toxic substance, where the patient arrives within…

🟠 Aspirin (Acetylsalicylic acid)

…and risk of toxicity. Avoid combination with high dose methotrexate. Digoxin and lithium: Acetylsalicylic acid inhibits renal excretion, increasing plasma levels. Monitor levels and adjust…

QT duration & corrected QT (QTc) duration: ECG features & implications

…changes. Causes of prolonged QTc duration Antiarrhythmics (procainamide, disopyramide, amiodarone, sotalol) Psychiatric medications (tricyclic antidepressants, SSRI, lithium etc) Antibiotics (macrolides, kinolones, atovaquone, klorokine, amantadine, foscarnet…

Cardiac arrest due to electrolyte imbalance

…hypocalciuric hypercalcemia, Addison's disease, renal insufficiency, therapeutic interventions with tamoxifen or lithium, thiazide administration, and over supplementation of calcium and vitamin D. ECG in…

Cardiac arrest in intoxication (poisoning)

…inconclusive evidence. However, in cases of iron, lithium, or potassium intoxication where lavage might prove beneficial, the procedure should be conducted post intubation. Avoid lavage…

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