BLS – Basic Life Support
CPR training

BLS – Basic Life Support

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Introduction This really is 'basic' life support, often performed without any equipment (or an automated defibrillator if one is available). It involves pure 'CPR' as a lay person might understand…

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Burns
Second degree burn - as indicated by blistering. This file is taken from wikimedia commons and is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.

Burns

  • Reading time:3 mins read

Assessing burn depth Superficial aka first degree – epidermis (erythema) only. Can be differentiated from partial thickness by rubbing the skin. If the epidermis moves around, sliding over the deeper layers,…

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Carbon Monoxide Poisoning
Carbon monoxide molecule

Carbon Monoxide Poisoning

  • Reading time:5 mins read

Introduction Carbon Monoxide (CO) poisoning, also known as the “silent killer” can be a life-threatening situation. CO is an odourless, colourless gas (hence 'silent'). CO binds to haemoglobin (carboxyhemoglobin) with…

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Cardiac Arrest
CPR training

Cardiac Arrest

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​Introduction Cardiac arrest is an 'arrest' in the activity of the heart - the heart has stopped beating. There will be no contraction of the heart muscle, but there may…

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Cardiac Tamponade
The Normal pericardial sac - seize exaggerated in this diagram. Original image from Wikimedia commons. Author: Connexions

Cardiac Tamponade

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Introduction Cardiac Tamponade is a condition where the heart become compressed by excess fluid in the pericardium. Compression causes reduced diastolic filling of the heart, which can cause cardiac arrest.…

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Chest X-Ray
A normal CXR in a healthy young male. In particular note the normal markings, clear costophrenic angles, and clear lung fields. There is quite a large gastric bubble, but this is not considered pathologic.

Chest X-Ray

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Introduction The chest x-ray (also known as CXR or Chest Radiograph) is probably the most commonly performed medical imaging procedure. An x-ray can typically discern 4 different densities: Air (black) Metal - i.e.…

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Cholangitis
Gallbladder

Cholangitis

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Introduction Cholangitis is inflammation of the bile duct. It is typically the results of a bacterial infection (often secondary to gallstones), but can also occur in other conditions, such as…

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Cholecystitis
Gallbladder

Cholecystitis

  • Reading time:4 mins read

Acute Cholecystitis This is caused by a blockage in the cystic duct or neck of the gallbladder (95% of cases are gallstones or gallstone precursor ‘sludge’) It is unlikely to…

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Compartment Syndrome
A fasciotomy being performed for compartment syndrome

Compartment Syndrome

  • Reading time:5 mins read

Introduction Compartment syndrome is a condition that results from swelling of a muscle. The muscle is retained in its fixed volume fascia (its "compartment"), however, and thus the swelling of…

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Constipation

  • Reading time:7 mins read

Introduction Constipation is a symptom and not a condition. It is most common in women and the elderly. Often it is more like a perception that a real entity. It…

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