Articles

Anticholinergic Poisoning
Anticholinergic poisoning is a potentially life-threatening condition caused by ingestion or exposure to anticholinergic drugs or substances. Anticholinergics block the action of the neurotransmitter acetylcholine at synapses within the central and peripheral nervous...

Understanding Adverse Drug Reactions
Adverse drug reactions (ADRs) are a significant concern in clinical practice, impacting patient safety and treatment outcomes. The World Health Organization (WHO) defines an ADR as “A response to a drug which is noxious and unintended, and which occurs at doses...

Myxoedema Coma
Myxoedema coma is an extreme manifestation of untreated hypothyroidism and is a life-threatening condition characterised by hypometabolism and altered mental status. It commonly affects elderly patients with long-standing hypothyroidism, often precipitated by...

Levels of Evidence and Grading Systems
Levels of evidence A hierarchical system of classifying evidence is an essential part of evidence-based medicine. This hierarchy is commonly referred to as the levels of evidence. When attempting to find the answer to a clinical conundrum, a clinician should actively...

Togo and the Diphtheria Serum Run
Thanks to modern childhood vaccination programs, diphtheria is now a rare illness in Western Europe and the United States. It is still common, however, in developing countries where vaccination rates are low. It is a terrifying illness caused by the airborne bacterium...

Addisonian Crisis
An Addisonian crisis, also known as an adrenal crisis, is a severe and potentially life-threatening condition that arises due to acute adrenal insufficiency. It is a rare condition with an estimated prevalence of around 600 per million, but it does present to the...

Cardiac Arrest in Pregnancy: Critical Considerations
The management of cardiac arrest during pregnancy presents unique challenges that demand specialised knowledge and swift action. Maternal cardiac arrest is a rare but high-stakes scenario that requires a comprehensive understanding of resuscitation techniques tailored...

Thyroid Storm
Thyroid storm, also known as thyrotoxic crisis, is a rare but life-threatening condition characterised by an extreme exacerbation of thyrotoxicosis symptoms. It occurs in approximately 1-2% of patients with established hyperthyroidism. This medical emergency demands...

Antifreeze Poisoning
Antifreeze poisoning presents a significant challenge to medical professionals due to its potentially fatal consequences. What is antifreeze? Antifreeze is a liquid used in vehicle radiators to prevent freezing in cold weather. Ethylene glycol is the most common type...

Hypersensitivity Reactions
Hypersensitivity reactions are exaggerated or inappropriate immunologic responses occurring in response to an antigen or allergen. Gell and Coombs described four classes in 1963: Type I hypersensitivity reactions Type II hypersensitivity reactions Type III...