…The test measures the ability of the adrenal cortex to respond to maximal ACTH stimulation, and it is rarely the injection itself that determines whether…

…the most stable dressing, lowest risk of infection and thrombosis with prolonged dwell time Highest risk of pneumothorax, the vessel cannot be compressed after arterial…

…passages and choose the more patent one. Ask the patient about a previous nasal fracture or unilateral nasal obstruction. 2. Measure the depth of insertion…

…the basis of percussion and a chest radiograph alone belongs to an earlier era. The needle is inserted close to the upper border of the…

…lack of lung tissue) and its impact on cardiac function. Clinically, patients may present with: Absent breath sounds on the affected side Crepitus Subcutaneous emphysema…

…in three lengths: short for children and slim limbs, medium for most adults, long for thick soft tissue and for the head of the humerus…

…Procedure Choice of insertion site The left lower quadrant is the first choice : the abdominal wall is thinner there than on the right, and the…

…the larger , since a mask that is too small leaks and gives a poorer seal. Procedure Insertion of the laryngeal mask 1. Check the mask…

…mouthful of water and hold it. Advance the electrode at the very moment the patient swallows — the pharyngeal muscles then guide the tip into the…

…anaesthetic also improves the chance of success by counteracting vascular spasm. Pressure monitoring set: stiff, short tubing, a transducer, and a flush system with physiological…

…poorer absorption. Injection into an arm with a dialysis fistula. Preparation and equipment Hand disinfection; gloves where there is a risk of blood contact. An…

Procedurer A corticosteroid injection into soft tissue gives rapid but time limited pain relief and rarely alters the natural history of the disease. In lateral…

…of dyspnoea, cough and sputum in particular that exceeds the patient's normal variation and requires a change of treatment. Common precipitants are viral infection…

…individuals the infection may be severe and deadly. Importantly, COVID 19 has caused an unprecedented number of severe and deadly infections among young and apparently…

…will experience severe chest pain due to the abrupt reduction of coronary blood flow. Acute coronary syndromes are subdivided into STE ACS and NSTE ACS…

…elevations are succeeded by gradual inversion of the T waves. These T waves are called post ischemic T waves and they indicate that the infarction…

…choice of device therapy and also suggest whether other interventions (e.g. heart failure management, evaluation for coronary artery disease, etc .) are warranted. Management of…

…This format of displaying the ECG leads is referred to as the Cabrera format and it has been the existing standard in Sweden for over…

…digital block Anaesthetise from the dorsal aspect, one injection medial and one lateral to the base of the phalanx, 2–3 mL on each side…

…Endocarditis implies that a bacterial infection engages the heart valves and this is a serious condition. The focus of infection on the flap is called…

…The commonest cause of wound infection is retained contamination, not poor suture technique — and the commonest cause of permanent loss of function is a tendon…

…a rising pCO₂ and respiratory acidosis, or a markedly increased work of breathing with impending exhaustion. Threatened airway obstruction: inhalation injury, anaphylaxis, deep neck infection…

…the only signs of infection. Corticosteroids and other immunosuppressive treatments can blunt the febrile response. A neutropenic patient with a suspected infection and organ dysfunction…

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

…coronary or valvular disease Recent (<48 hours) use of dipyridamole or dipyridamole containing medications Ingestion of caffeinated foods or beverages within 12 hours prior to…

…0 mmol/L Triglycerides < 1.7 mmol/L 10 carries a risk of pancreatitis Cardiac markers and coagulation Test Reference Comment : : : High sensitivity troponin…

…Checking an intrauterine device or a pessary. Assessment of prolapse. Sampling for a suspected sexually transmitted infection — although chlamydia and gonorrhoea can be tested on…

…respiratory infection with a risk of transmission Until symptom free Haemoptysis of unclear cause Until investigated Relative obstacles also include dementia, marked hearing loss and…

…elevation followed by T wave inversion in leads V1 V4 in black athletes. C: PR interval <120 ms with a delta wave and wide QRS (…

…seconds. Case reports have indicated that the risk of high degree AV block and ventricular arrhythmias is greater in patients on digoxin or verapamil, although…

…heart rate, ECG. References Narula et al: Time to Add a Fifth Pillar to Bedside Physical Examination: Inspection, Palpation, Percussion, Auscultation, and Insonation. JAMA Cardiology.

…inspection of the legs and feet. A systolic blood pressure difference between the arms exceeding 15 mmHg is associated with a 50% higher risk of…

…then 100 mg × 1 5–7 days Epiglottitis and other severe upper airway infection cefotaxime 1–2 g × 3 IV Depends on the diagnosis Always…

…of seizures, delirium tremens, infection, trauma and metabolic disturbance. 4. Monitoring at the appropriate level of care , with readiness for respiratory support. 5. Treatment of…

…a marked risk of aspiration, or failure that is not rapidly reversed by an antidote B Respiratory rate, saturation, chest movement and a blood gas…

…T waves are seen after periods of ischemia, after infarction and after successful reperfusion (PCI). Post ischemic T wave inversion is caused by abnormal repolarization…

…reaches hospital early. The benefit of both methods falls steeply with the time since ingestion, and both can harm the patient through aspiration. Contact your…

…report. A shave biopsy of a pigmented lesion that turns out to be a melanoma can make the Breslow thickness unmeasurable and staging therefore impossible…

…five years of stopping but may remain elevated thereafter. The overall health benefit is greater still when reductions in non cardiovascular morbidity and mortality are…

…hold the needle still, change the syringe and inject. The injection should go in easily. Resistance means the tip is in tissue, not in the…

…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…

…5 cm into the ear canal, not beyond the hair bearing skin. 5. Direct the jet upwards and backwards along the superior wall of the…

…Clean the skin and apply the drape. Anaesthetise skin, subcutaneous tissue and then the periosteum at several points around the puncture site , and wait a…

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

…the first time, or newly developed during management of an acute illness. The clinical relationship between AF and acute deterioration is often bidirectional. AF with…

…coronary arterial tree after selective intracoronary contrast injection under fluoroscopy. The procedure is performed by advancing guidewires and diagnostic catheters from a percutaneous arterial access…

…studies of pulmonary arterial hypertension (PAH). The threshold is not absolute: patient phenotype, risk factors for heart failure with preserved ejection fraction, echocardiographic findings, and…

…of T wave inversion. Myocardial ischemia may also present with flat T waves, which are defined as T waves with an amplitude between +1 and…

…another CNS infection. Suspected inflammatory disease: multiple sclerosis, Guillain–Barré syndrome, autoimmune encephalitis. Meningeal carcinomatosis and CNS involvement in haematological malignancy. Investigation of dementia with…

…failure — compression of both legs acutely increases preload. Untreated deep vein thrombosis in the acute phase. Septic phlebitis, ongoing soft tissue infection with systemic involvement…

…done without losing time. 7. Perform urgent CT of the brain and CT angiography from the aortic arch to the vertex. 8. Contact the thrombectomy…

…proton pump inhibitor with concomitant NSAID use or a history of ulcer, not routinely Infection Consider Pneumocystis prophylaxis with high doses over a long period…

…determine the outcome — that the confirmation of death is carried out in a formally unimpeachable way, and that the donor's organs are maintained physiologically…

…to 5–10 minutes after the injection . 7. Stop the test in the event of bradycardia, bronchospasm, marked salivation or increasing weakness, and give atropine…

…pressure measured, or be palpated. Indications A sensation of something in the eye, watering, photophobia and redness after working with a grinder, a drill, a…

…depression, or untreated severe respiratory failure without the possibility of monitoring. Paralytic ileus and suspected obstructive ileus (an opioid can be given for the pain…

…lactate, two sets of blood cultures, and a culture from the likely focus 0 to 15 min Ringer's acetate for hypotension or hypoperfusion, usually…

…working, and the commonest source of error is believing that it is. Twitching of the chest muscles and spikes on the screen mean nothing. Capture…

…and reuptake into cells through a nucleoside transport system. Because of these highly efficient elimination pathways, adenosine has an extremely short elimination half life of…

…women or five for men on one occasion. Pharmacokinetics and pathophysiology Approximately 95% of ingested ethanol undergoes hepatic metabolism. Alcohol dehydrogenase converts ethanol to acetaldehyde…