…choice) Slower, 20–30 min Intradermal (ID) Tuberculin (PPD), skin prick testing, a local anaesthetic weal, BCG Slow, local effect Contraindications Absolute: Infection, a wound…

…to these superficial injections. Preparation and equipment Chlorhexidine in alcohol, an iodine solution or isopropyl alcohol. A depot glucocorticoid: triamcinolone hexacetonide (Lederspan 20 mg/mL)…

…sample : cortisol and plasma ACTH. The ACTH sample is taken before the injection and handled chilled. 4. Inject 0.25 mg of tetracosactide intravenously , slowly…

…IV Dose Bolus injection : 5 to 15 mg every 5 to 15 minutes as necessary. Continuous infusion: Start infusion at 0.1 mg/min and…

…and Clinical Role Invasive coronary angiography (ICA) is a catheter based investigation that visualizes the coronary arterial tree after selective intracoronary contrast injection under fluoroscopy…

…cortisol) 20 mg Marked Short, 8–12 hours Prednisolone 5 mg Moderate Intermediate, 12–36 hours Methylprednisolone 4 mg Low Intermediate Betamethasone 0.6 mg…

…the samples are sent correctly. A corticosteroid must never be injected into a joint in which infection has not been excluded. Indications Acute monoarthritis in…

…transdermal Dose Injection IV: • 150 μg in 1 ml vial. Dilute with 10 ml of normal saline and give by slow injection over 5…

…Injection of contrast media into the ventricle will instead reveal that the apical portion of the left ventricle is dilated (hence the term apical ballooning…

…dose without troublesome adverse effects, give a further 8 mg intravenously , slowly. Rapid injection increases the risk of nicotinic effects with paradoxically increasing weakness. 6…

…loosened or avulsed nail plate, or a damaged nail fold edge Nail avulsion and inspection of the nail bed, with suture of any nail bed…

…with sodium chloride) before intravenous titration. Half of all opioid dosing errors arise at the dilution step, and an undiluted syringe of 10 mg/mL…

…skin, smell, injection marks, medication patches and trauma. Remove contaminated clothing and wash the skin after external exposure A low Glasgow Coma Scale is not…

…before the drug is eliminated. A flush should immediately follow the bolus injection to ensure rapid delivery to the central circulation. If the drug is…

…and recording echoes reflected from the vessel wall. Contemporary systems use frequencies ranging from approximately 20 to 60 MHz. Their principal advantage is tissue penetration…

…in the intensive care unit or coronary care unit. Adenosine injection must be administered quickly (1 2 seconds), followed immediately by a rapid saline flush …

…200 mg slow iv injection. Rarely used. Glucagon Counteracts beta blockers. An antidote to beta blockers. 2–10 mg bolus followed by 2–5 mg…

…foreign materials pose a high risk of infection. Approximately 20% of all endocarditis affect people with valve prostheses and among other cases 18% show significant…

…Lathundar Key message Fever in a neutropenic patient is an emergency. Infection can progress rapidly, while the typical local signs of inflammation may be faint…

…quality tap water or sodium chloride 9 mg/mL. The volume matters more than the fluid; irrigate under pressure through a 20 mL syringe and…

…normal variation and requires a change of treatment. Common precipitants are viral infection, bacterial infection and air pollution, but often no definite trigger can be…

…as carbohydrate administration. 3. Rapid identification of seizures, delirium tremens, infection, trauma and metabolic disturbance. 4. Monitoring at the appropriate level of care , with readiness…

…median nerve lies close by. Preparation and equipment Arterial catheter, usually 20 G in an adult; a smaller size in children. A set with an…

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

Procedurer What determines the outcome of a central venous catheter insertion is decided before the needle goes in: the choice of site, the use of…

…Inflammation and infection Test Reference Comment : : : CRP < 3 mg/L Rises within 6–8 h, half life about 19 h ESR Women < 20…

…work of breathing with impending exhaustion. Threatened airway obstruction: inhalation injury, anaphylaxis, deep neck infection, an expanding haematoma, facial trauma. An anticipated course requiring a…

…Sampling for a suspected sexually transmitted infection — although chlamydia and gonorrhoea can be tested on urine or a self taken vaginal sample without a speculum…

…Suspected subarachnoid haemorrhage with a normal or non diagnostic CT. Suspected neuroborreliosis, neurosyphilis or another CNS infection. Suspected inflammatory disease: multiple sclerosis, Guillain–Barré syndrome…

…spread of infection A small or uncooperative child Movement causes injury Preparation and equipment Otoscopy: an otoscope with a charged battery and clean disposable specula…

…be given intravenously , at the same dose. Blood samples can be taken at insertion; a blood gas and electrolytes can be interpreted, but some laboratories…

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

…wait for complete diagnostic certainty. Sepsis is defined as life threatening organ dysfunction caused by a dysregulated host response to infection. Clinically this usually corresponds…

…aortic aneurysm 6 cm Relative — avoid forced manoeuvres An ongoing respiratory infection with a risk of transmission Until symptom free Haemoptysis of unclear cause Until…

…Injections • IV: 10–40 mg every 4–6 hours • IM: 10–20 mg every 4–6 hours. Infusion • Afterload reduction : Start infusion at 1 mg…

…intravenous bolus injections or as a constant dose infusion. Bolus regime : • 20 mg IV bolus over 2 minutes, followed by 20 to 80 mg every…

…in increased levels of circulating pro inflammatory cytokines that may cause plaque rupture (i.e the risk of atherosclerotic plaque rupture is increased during infections)…

…causally responsible. This distinction is important because AKI after a contrast study frequently occurs in patients with several simultaneous renal insults. Infection, hypovolaemia, cardiac dysfunction…

…inclisiran permits subcutaneous administration only twice yearly, an important practical distinction from therapies requiring monthly or biweekly injections. Inclisiran is used as an adjunct to…

…lidocaine 10 mg/mL with adrenaline (epinephrine). Syringe, 27 G and 21 G needles. Irrigation fluid (NaCl 9 mg/mL) and a 20 mL syringe…

…in properly selected patients. Tenecteplase 0.25 mg/kg is a safe and effective alternative to alteplase and is simpler to administer, since the whole…

…course (no more than 7 days) may be given to selected patients with an eGFR of 30 40 mL/min for lower urinary tract infection…

…generalised infection, or certain transmissible agents according to the current transmission risk assessment. In DCD: patients in whom death must be confirmed after a 20…

…primary infection, low risk of recurrence vancomycin 125 mg × 4 PO 10 days Clostridioides difficile, high risk of recurrence fidaxomicin 200 mg × 2 PO 10…

…acute glaucoma is suspected (normal 10–21 mmHg). Tonometry is contraindicated with suspected perforation or infection. Removal Proceed from the least to the most invasive…

…failure The insulin requirement falls . Reduce the dose and measure more frequently Acute illness and infection The insulin requirement rises, often despite a reduced food…

…ongoing soft tissue infection with systemic involvement. Relative: Condition Adaptation : : ABI 0.5–0.79 Reduced compression (20–30 mmHg) under vascular surgical supervision Diabetes…

…own laboratory uses before applying it. The D dimer is raised in pregnancy, malignancy, infection, surgery, trauma and old age. A positive value is not…

…stopped for small biopsies, but have diathermy or aluminium chloride available. Infection in the area to be biopsied. Hypersensitivity to local anaesthetics. Areas at high…

…pacing: the relative contraindications are the same as for a central venous catheter — coagulopathy, infection at the puncture site, known thrombosis in the target vein…

…Haemodynamic definition At rest, PH is defined invasively by a mean pulmonary arterial pressure (mPAP) greater than 20 mmHg. The haemodynamic phenotype is then determined…

…schizoaffective disorder, HIV infection or other circumstances that may affect cessation or treatment monitoring. Single question screening can identify unhealthy drug use requiring counselling regarding…

…muscle disease or a personal or family history of muscle disorders Acute infection Renal or hepatic impairment Hypothyroidism Vitamin D deficiency Concomitant interacting medications The…

Procedurer The insertion itself is rarely the difficult part — it is the confirmation of the position that determines whether the tube is safe. A misplaced…

…in which the patient reaches hospital early. The benefit of both methods falls steeply with the time since ingestion, and both can harm the patient…

…over the insertion site Change the puncture site Preparation and equipment Ultrasound with a curved array probe. Sterile preparation (chlorhexidine in alcohol 5 mg/mL…

…varies widely and may involve intrinsic cardiac disease, extrinsic systemic conditions, or pharmacologic effects. Inflammatory heart disease, caused by infections (viral, bacterial, protozoal, fungal, parasitic)…

…A markedly raised GGT with the other tests normal is most often enzyme induction by alcohol or drugs and is often of no clinical significance…

…against interleukin 1β, provided proof of concept but was not developed for routine coronary prevention because of fatal infections and high cost. Low dose…

…heart disease is a complication of rheumatic fever, which is caused by streptococcal infections (group A Streptococcus ). Rheumatic heart disease can occur at any age…