…to the skin and rotate under even pressure until the resistance gives way — the dermis has then been passed and you are in the subcutis…

…otoscope speculum as a shield when treating near the eye or on an irregular surface. Petroleum jelly around the lesion to protect the surrounding skin…

…during anaesthesia, a drug infusion or the administration of contrast medium Skin symptoms are absent in approximately 10 to 20 percent of anaphylactic reactions. The…

…fold presses on a bony prominence until the skin breaks down. An acute, fresh injury is therefore immobilised in a backslab or in a split…

…the skin, because the tissues and fluids surrounding the heart, indeed the entire human body, act as electrical conductors. By placing electrodes on the skin…

…Surgeon or mammography Sole of the foot Deep compartments Orthopaedic surgeon Close to large vessels, in the groin or on the neck Bleeding, vascular injury…

…per cm above 152 cm. Adjusted body weight: ideal weight + 0.4 × (actual weight − ideal weight). Used for aminoglycosides and when estimating creatinine clearance in…

…followed by compression. Infection in the skin overlying the puncture site. Previous pelvic irradiation on the intended side (yields fibrotic, unrepresentative marrow — choose the other…

…a tattoo or skin disease at the injection site. Known hypersensitivity to the preparation. Intramuscular injection in marked coagulopathy or thrombocytopenia (< 50 ×10⁹/L…

…the skin. 2. Clean and let it dry. Do not palpate the puncture site again with an unsterile hand. 3. Insert the needle in one…

…pale Variable, often deep Pain Moderate, relieved by elevation Severe, worse on elevation, better when dependent Often painless (neuropathy) Surrounding skin Hyperpigmentation, oedema, lipodermatosclerosis, eczema…

…or cannot be advanced. An introducer for the atraumatic needle — it is too soft to pass through the skin on its own. Local anaesthesia: lidocaine…

…syringing is performed on a tympanic membrane that was already perforated. Indications Otoscopy: earache, hearing loss, ear discharge, dizziness, tinnitus, fever in a child without…

…Chlorhexidine in alcohol 5 mg/mL. Local anaesthesia: lidocaine 10 mg/mL, 10–20 mL, a 25 G needle for the skin weal and a…

…finger, patella, jaw or hip prosthesis. A dislocation with neurovascular compromise or skin tenting — reduce promptly, before radiography. The longer a joint remains dislocated, the…

…mg in tendinitis and epicondylitis . Higher doses than these add nothing documented but increase the risk of skin and fat atrophy. Lederspan states in addition…

…reduce the antiplatelet effect of acetylsalicylic acid. Use with caution in patients on low dose acetylsalicylic acid for cardioprotection. Pharmacokinetic interactions Methotrexate: NSAIDs inhibit tubular…

…metabolite accumulate extensively in various tissues, including the liver, lung, fat, and skin, with myocardial concentrations reaching 10 to 50 times those found in plasma…

…by skin electrodes; the ECG presents the electrical activity of the atrial and ventricular myocardium. Automaticity of pacemaker cells The automaticity of the cells in…

…Consequently, unipolar pacemakers yield larger stimulation artifacts on ECG (Figure 4). In bipolar pacing, the anode and cathode are both located within the heart and…

…of bradyarrhythmia on ECG recordings. Normal heart rate and normal variants Normal resting heart rate is 50 to 95 beats per minute in the afternoon…

…the circumference, do not guess. Measure the blood pressure in both arms when fitting the device. Use the arm with the higher pressure, or the…

…Place the cuff on the upper arm. Locate the brachial signal in the antecubital fossa with the Doppler probe at 45–60° to the skin…

…to close to the plane of the skin and advance a further 1–2 mm so that the catheter tip also lies in the lumen…

…probe, a sterile probe cover and sterile gel. Chlorhexidine in alcohol 5 mg/mL for skin disinfection. Allow it to air dry completely before puncture…

…A positive urine dipstick in an older patient is difficult to interpret. Skin and soft tissue Diagnosis Agent Dose Duration : : : : Erysipelas phenoxymethylpenicillin 1 g × 3…

… note it in the report. Shaving and careful skin preparation at the electrode sites — movement artefact ruins an exercise test more often than anything else…

…is the flap of skin that extends from the proximal fold over the base of the plate. Preparation and equipment Chlorhexidine in alcohol or an…

…or arrival. This is supported by international guidelines on neutropenic fever [2]. The direct evidence for exactly one hour in neutropenic fever is limited, but…

…plus albumin on the sample. Indications Diagnostic paracentesis: Newly detected ascites — always. Every admission of a patient with known ascites. Clinical deterioration in a cirrhotic…

…most superficially, where the distance from the skin is shortest, and where no liver, lung or vessel lies in the path of the needle. Access…

…Remove contaminated clothing and wash the skin after external exposure A low Glasgow Coma Scale is not on its own an absolute indication for intubation…

…a new oxygen requirement, a saturation below 93 per cent on air, or a falling PaO2 Circulation A systolic blood pressure of 100 mmHg or…

…be avoided. Atropine acts on the sinus node and the AV node and is therefore ineffective — sometimes harmful — in infranodal block with wide QRS complexes;…

…through a 20 mL syringe and a large bore needle. Chlorhexidine in alcohol to the skin around the wound — not into the wound. Sterile gloves…

…graft; in such cases, clinical manifestations may be less dramatic despite a sudden deterioration in function. The severity of tissue injury depends on the site…

…necessary to confirm cardiac arrest. Skin color is pale or cyanotic, but this may be difficult to discern depending on the skin tone. For laypeople…

CPR Poisoning and drug toxicity In adolescents and young adults, intoxication events leading to cardiac arrest are notably prevalent, primarily due to the misuse of…

…due to the gel. One or two fingers may be placed gently on the skin to fix the position of the transducer. The ultrasound gel…

…Additionally, a number of transducer movements can be made in order to focus on the region of interest and optimize the image. These maneuvers are…

…few sound waves emitted in 1 to 2 milliseconds. These sound waves travel through the skin, chest, pericardium, myocardium, etc. In the transition between each…