…Other symptoms include dyspnea, pain radiating to the left arm/shoulder/throat, palpitations, back pain and selected cases of upper abdominal pain. An ECG recording…

…myocardial cells and therefore myocardial troponins should not be detected in the blood. It should be noted, however, that current troponin assays are extremely sensitive…

…although lower extremity symptoms are much more common than upper extremity symptoms. The severity of symptoms should be described by their effect on walking distance…

…HbA1c) reduction, blood pressure, lipids and smoking cessation. Weight loss was considered extremely difficult across patient categories. However, the emergence of incretin based therapies, starting…

…cTnI and cTnT are specific to cardiac muscle cells. Cardiac troponin levels are extremely low in healthy subjects; the 99 th percentile is less than…

…ulcer bleeding are managed differently from the first minute. Peptic ulcer remains the commonest cause of upper gastrointestinal bleeding, but the differential diagnosis includes oesophagitis…

…female Normal <440 ms <430 ms <450 ms Upper limit 440–460 ms 430–450 ms 450–470 ms Prolonged 460 ms 450 ms 470…

…ischaemia (ALI) is an abrupt reduction in arterial perfusion of an upper or lower limb that causes tissue metabolic requirements to exceed available blood flow…

…presented in the parenthesis). Values without confidence interval are simply the 98 th percentile (i.e the upper reference limit). Age <1 day 1–3…

…shoulders, neck, jaw, upper back, abdomen, or epigastrium. Dyspnoea, nausea, vomiting, diaphoresis, fatigue, faintness, and other symptoms may occur without chest pain and should be…

…arms, neck, jaw, upper back, and abdomen, as well as dyspnea and nausea (anginal equivalents) [7]. Clinicians must consider both cardiac and non cardiac etiologies…

…Myocardial injury Myocardial injury is a biochemical diagnosis defined by at least one cardiac troponin value above the assay specific 99th percentile upper reference limit…

…presented in the parenthesis). Values without confidence interval are simply the 98 th percentile (i.e the upper reference limit). Age <1 day 1–3…

…evident, ventricular tachycardia may appear more polymorphic in one lead (the upper lead). ECG 2 . Although the signal in the upper lead appears very disorganized…

…Management : : : Medial triangle of the face (nasal root, alae nasi, upper lip) Venous drainage towards the cavernous sinus Surgeon or ENT; often antibiotics Palm, fingers…

…the upper arm < 23 cm suggests undernutrition in adults Calf circumference Largest circumference < 31 cm is a screening marker for sarcopenia Body composition…

…no conversation Cuff width ≥ 40% of the upper arm circumference — a cuff that is too narrow gives a falsely high reading The cuff at heart…

… a higher threshold may be considered individually in ongoing ischaemia Upper gastrointestinal bleeding that has been stabilised 70 g/L — a more liberal strategy gives…

…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…

…any decision to limit treatment when time allows. There is complete upper airway obstruction where laryngoscopy will not succeed; plan for a surgical airway or…

…2–5 a mixed pattern. Orders of magnitude that direct the work up ALT 50 × the upper limit of normal: paracetamol poisoning, ischaemic hepatitis ("shock…

…radiograph alone belongs to an earlier era. The needle is inserted close to the upper border of the rib, never at the lower border where…

…gas or fumes. Preoperative assessment before thoracic or upper abdominal surgery in a patient with known lung disease. Follow up of treatment effect and of…

…device. Home blood pressure monitoring (HBPM): self measurement at home, generally with a validated upper arm oscillometric device. Ambulatory blood pressure monitoring (ABPM): automated measurement…

…beats per minute. While ECG appearances with flutter like patterns are predominantly caused by macroreentrant circuits, microreentry remains a possible alternative mechanism. Conversely, certain macroreentrant…

…myocardial injury, defined by an elevated cardiac troponin (cTn) value with at least one value above the 99th percentile upper reference limit (URL). The injury…

…myocardial injury, demonstrated by a rising and/or falling troponin pattern with at least one value above the assay specific 99th percentile upper reference limit;…

…heart disease from pulmonary vascular disease. Although a PAWP of 12 mmHg represents the upper limit of normal in some assessments, a threshold of ≤15…

…injury. Myocardial injury Myocardial injury is defined by at least one cardiac troponin (cTn) concentration above the assay specific 99th percentile upper reference limit (URL)…

…Hypotension Circulatory collapse culminating in cardiac arrest Anaphylaxis can develop without dermatological or upper airway manifestations. Anaphylactic cardiac arrest should be suspected among younger patients…

…explained below. The normal P wave contour on ECG The normal P wave (Figure 1, upper panel) is typically smooth, symmetric and positive. The P…

…arm electrodes are placed proximally on the upper arm. Placement of chest (precordial) electrodes are not changed but additional leads may be attached in children…

…diminishes, the PR interval becomes longer. The upper normal limit is 220 msec (0.22 sec). If the PR interval is greater than 220 msec…

…no absolute contraindications. Refrain or modify in: Deep vein thrombosis in the leg — cuff compression should be avoided in the acute phase. A leg that…

…of obese patients, an adjusted body weight is used: adjusted weight = ideal weight + 0.4 x (actual weight minus ideal weight). Red flags and…

…latter. The treatment is also time limited by its very nature: a patient who has not responded within a couple of hours should be intubated…

…raised — the two decisions must never be conflated. There is no absolute upper age limit. Suitability is determined organ by organ in consultation between the…

…Vertical, linear scratch marks suggest a foreign body under the upper eyelid. 7. Seidel's sign: apply fluorescein generously and look under blue light. A…

…afterwards whether a nerve injury was caused by the injury or by the treatment. Indications A clinically or radiologically confirmed dislocation of the shoulder, elbow…

…The treatment looks simple — bicarbonate and a look at the urine dipstick — but it fails routinely for one single reason: without normal potassium the urine…

…point toward gastroesophageal reflux. Physical examination should include a speculum examination of the nose to look for excess mucoid or purulent secretions, inflamed and edematous…

…multiple modifiable and non modifiable risk factors converge. The electrophysiological mechanism underlying TdP involves prolonged ventricular repolarisation, which allows for the recovery of time dependent…

…with risk increasing particularly after 70 years Male sex Previous upper gastrointestinal disease Hepatic or renal disease Multiple cardiovascular risk factors Concomitant nonsteroidal anti inflammatory…

…and obstructive epicardial disease may produce similar symptoms, and symptom characteristics alone cannot reliably identify the underlying mechanism. Clinical Presentation and Symptoms Angina and anginal…

…Meanwhile, deoxygenated blood in the superior vena cava (which returns blood from the head and upper limbs) also enters the right atrium. Oxygenated and deoxygenated…

…second half is a reflection of left atrial depolarization. This is shown in Figure 3 (upper panel). Recall that the P wave in V1 is…

…and acute MI procedures. Distal embolization of atheromatous or thrombotic material is an important proposed mechanism. No reflow may produce major short and long term…

…Muscle symptoms should be distinguished from severe muscle injury. Myopathy is characterized by muscle symptoms accompanied by CK greater than 10 times the upper limit…

…squeezing, or a crushing sensation across the precordium and may radiate to the neck, shoulder, jaw, back, upper abdomen, and left or right arm. Onset…

…NSTEMI, non STEMI) , if troponin levels are above the upper threshold. Unstable angina pectoris (UA) if troponin levels are below the threshold (i.e normal)…

…also I and aVF). Arrhythmias Sinus tachycardia Sinus tachycardia exists if the heart rate is higher than the upper normal limit. Sinus tachycardia can exceed…

…Meanwhile, deoxygenated blood in the superior vena cava (which returns blood from the head and upper limbs) also enters the right atrium. Oxygenated and deoxygenated…

…female Normal <440 ms <430 ms <450 ms Upper limit 440–460 ms 430–450 ms 450–470 ms Prolonged 460 ms 450 ms 470…

…often presenting clinically as Non ST Elevation Myocardial Infarction (NSTEMI) rather than STEMI [4] . Calcified Nodules: A less common mechanism (2 5%), characterized by eruptive…

…block cannot be diagnosed using surface ECG (i.e. ECG recorded on the body surface). This is because the electrical potentials generated by the sinoatrial…

…NSTEMI, non STEMI) , if troponin levels are above the upper threshold. Unstable angina pectoris (UA) if troponin levels are below the threshold (i.e normal)…

…complexes. P waves may occur on the ST T segment ( Figure 1 , upper panel). The atrial rate is typically faster than the ventricular rate. It…

…rises rapidly with further volume increases. This is explained by the existence of an upper limit for ventricular compliance. The greater the left ventricular compliance…