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Acute Limb Ischaemia: Recognition and Urgent Management

…dysfunction ranges from weakness to paralysis and is a particularly important marker of threatened limb viability. Paralysis generally indicates severe and persistent ischaemia. The limb…

The ECG leads: Electrodes, limb leads, chest (precordial) leads and the 12-Lead ECG

…12 leads consist of two sets of ECG leads: limb leads and chest leads. The chest leads may also be referred to as precordial leads …

Leg ulcers — wound debridement and compression therapy

…ulcers; everything else is supportive. But the same compression applied to a limb with arterial insufficiency can cause necrosis and, in the worst case, amputation…

The T-wave: physiology, variants and ECG features

…versa ( Figure 17 ). Otherwise there is discordance (opposite directions of QRS and T) which might be due to pathology. A negative T wave is also…

Sinus bradycardia: definitions, ECG, causes and management

…in the following circumstances: During sleep . Well trained individuals display SB at rest due to high vagal tone. These individuals have developed a highly efficient…

Ankle-brachial index (ABI)

…to the extensor hallucis longus tendon. Measure in the same way as on the arm. 4. Posterior tibial artery — behind the medial malleolus. Measure. 5…

Arterial line

…A set with an integrated guidewire (Seldinger technique) helps when the vessel is difficult to puncture. Sterile preparation with chlorhexidine in alcohol 5 mg/mL…

ECG parameters

…mm × 40 ms Left atrial enlargement Low voltage QRS < 5 mm in the limb leads or < 10 mm in the chest leads Pericardial…

Injection technique — intramuscular, subcutaneous and intradermal

…quickly and firmly, to its full length. 5. Aspiration is not needed for vaccination in the deltoid and vastus lateralis — there are no large vessels…

Peripheral venous cannula and intraosseous access

…an arteriovenous fistula, previous axillary clearance or lymphoedema. A limb with paresis or marked swelling. A vein suspected of thrombosis or previously thrombophlebitic. Intraosseous access…

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