…The test presupposes that the patient has spontaneous nystagmus at the time of examination and that the examiner is experienced with the head impulse test…

…if there is suspicion of cervical spine injury, in which scenario head tilt chin lift should only be used if other methods fail to open…

…closer monitoring — the patient cannot feel pressure injury Peripheral neuropathy of other cause As above Severe pain Titrate the pressure up gradually Rheumatoid arthritis with…

…of participants had type 2 diabetes. Over a median follow up of 40.6 months, the time averaged LDL C difference between bempedoic acid and…

…suddenly never had an ejection fraction measured before death, and among those who did, only a minority had a reduced value — the majority of sudden…

…or fracture of the leads. External causes are less common and include electrolyte disorders, metabolic disorders, hypoxemia, antiarrhythmic drugs, or electromagnetic disturbance caused by other…

…hip fracture, major surgery and intensive care [1,2]. The condition is associated with falls, aspiration, pressure sores, loss of function, longer length of stay…

…resolution does not consistently permit identification of foamy macrophages. The occurrence of neoatherosclerosis helps explain why ISR and other stent related events may arise well…

…of acute myocardial infarction Procedural and mechanical Stent underexpansion, incomplete wall apposition, residual inflow or outflow disease, edge dissection, overlapping stents, crush technique, stent fracture…

…diagnosis of NSTE ACS and a high probability of unstable angina (UA), and patients whose initial findings are less definitive. The defining electrocardiographic feature is…

…segment depression is a common and early electrocardiographic sign of acute pericarditis, reflecting pericardial involvement overlying the atria [4, 5]. Other Differential Diagnoses ST segment…

…oxygen supply and demand, which is not related to acute coronary atherothrombosis. By definition, acute atherothrombotic plaque disruption is not a feature of Type 2…

…and drug related presentations Severe hypertension may result from phaeochromocytoma, monoamine oxidase inhibitor crisis, cocaine intoxication, or other sympathomimetic exposure, including methamphetamine. Abrupt withdrawal of…

…the most distinguishing feature was the characteristic ST segment elevations in leads V1–V3. Prevalence and genetics of Brugada syndrome The prevalence of Brugada syndrome…

…typical of ischemia (but the sensitivity is low). U wave changes always accompany other ischemic ST T changes. They may occur in both NSTEMI and…

…set the COPD exacerbation apart from many other causes of acute dyspnoea: oxygen must be titrated cautiously and the blood gas determines the need for…

…or treatment with another adenosine diphosphate (ADP) receptor inhibitor for patients who had coronary syndrome and are at high risk of developing a new event…

…X linked or other non autosomal dominant mechanisms. Complex or multifactorial genetic architecture. The inheritance pattern affects the appropriate scope and duration of family surveillance…

…density lipoprotein and chylomicron remnants. It is calculated as: Non HDL C = total cholesterol − HDL C Apolipoprotein B (apoB) reflects the concentration of circulating…

ECG Myocardial ischemia and infarction Myocardial ischemia: cellular changes, ECG signs and development of infarction Like all other cells in the human body, cardiac myocytes…

…NSTEMI and unstable angina. Management begins in parallel with the diagnostic work up. Obtain an interpretable 12 lead ECG within 10 minutes of first medical…

…Interactions Pharmacodynamic interactions Anticoagulants, thrombolytics, or other platelet aggregation inhibitors: Salicylates inhibit platelet function and enhance the effect of anticoagulants, increasing bleeding risk. Monitor coagulation…

…and progression of atherosclerotic disease in patients with established coronary or other atherosclerotic vascular disease. Antiplatelet therapy is a central component because platelet activation and…

…low density lipoprotein (VLDL) Chylomicrons and other triglyceride rich particles Thus, non HDL C provides a broader estimate of atherogenic cholesterol than LDL C alone…

…vasoconstriction and platelet aggregation. Because aspirin affects only one pathway of platelet activation, its antiplatelet effect is relatively limited compared with agents that inhibit other…

…peripheral artery disease (PAD), and other manifestations of systemic atherosclerosis. The principal clinical concern is cerebral embolism or haemodynamic compromise leading to transient ischaemic attack…

…remains consequential, and historically 2–6% of patients discharged with presumed non ischaemic chest pain were subsequently found to have had an infarction. Pathophysiological Considerations…

…FH). Heterozygous FH results in high LDL cholesterol levels (but nothing else) and increases the risk of acute myocardial infarction by more than 50 times…

…from selected populations, frequently with low or intermediate ischemic risk and under representation of patients with STEMI or other very high risk features. Noninferiority studies…

…ventricular dysfunction, peripheral vascular disease and other manifestations of diffuse atherosclerosis. Percutaneous coronary intervention (PCI) and coronary artery bypass grafting (CABG) are revascularization procedures. Both…

…Other mechanisms include thrombosis, embolism, vasculitis, fibromuscular dysplasia, arterial entrapment, cystic adventitial disease and trauma. Atherosclerotic PAD is a manifestation of systemic arterial disease rather…

…attempts and their duration. Triggers for smoking and anticipated barriers to cessation. Exposure to second hand smoke. Use of cannabis, electronic cigarettes or other inhaled…

…beats per minute. Note that with a paper speed of 25 mm/s, which is standard in the US and many other countries, a 2…

…This is because the strong and oppositely directed forces tend to cancel each other out. However, the ECG may show features characteristic of biventricular hypertrophy…

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

…sets of piezoelectric crystals; one set for sending ultrasound and the other for analyzing reflected sound waves. The cardinal difference between continuous wave Doppler and…

…annihilate each other, producing two gamma photons emitted in opposite directions. PET scanners detect these gamma rays to construct images with high spatial and temporal…

…opposite angle of observation. Other vectors may interfere with the injury currents, and inhibit them from being detected by leads with opposite angles of observation…

…electrically dissociated from each other. This condition is referred to as atrioventricular (AV) dissociation. Importantly, for the ventricles to have any electrical (and thus pumping)…

…lowest rib and the iliac crest, at the end of expiration, with the tape horizontal and without compressing the skin. Ratios and other measurements Measurement…

…the bleeding risk of the procedure and by renal function. In markedly reduced renal function (dabigatran at eGFR <30 mL/min, the other DOACs at…

…marrow — choose the other side). A patient who cannot lie still — plan for sedation rather than abandoning the procedure. Choice of site The posterior superior…

…time Highest risk of pneumothorax, the vessel cannot be compressed after arterial puncture, technically more difficult with ultrasound Femoral vein Fastest, and does not interfere…

…front , and this is why the margin must be included in the freeze. Contraindications Absolute: Suspected melanoma or any other pigmented lesion of uncertain diagnosis…

…obstruction of the bowel or the urinary tract. Marked bradycardia, sick sinus syndrome or high grade AV block without pacemaker protection. Asthma and other marked…

…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…

…creatinine, acid–base status and signs of myocardial ischaemia must be monitored during treatment [4,6]. Important exceptions Condition Overall strategy Common first choices : : : Acute…

…physical activity and any other precipitating factor. Thresholds The thresholds below are used above all in diabetes. The severity of the symptoms and the patient…

…urine osmolality and urine sodium before treatment. 5. With severe symptoms: give hypertonic saline immediately. Do not wait for a complete work up of the…

…with the other tests normal is most often enzyme induction by alcohol or drugs and is often of no clinical significance. Synthetic function and prognosis…

…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…

…in mitral and tricuspid inflow The echocardiographic counterpart of pulsus paradoxus Contraindications In overt tamponade with shock there are no absolute contraindications other than the…

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…

…to the left of the sternum, the other on the back between the left scapula and the spine. The anterolateral position also works and is

…sodium and volume load becomes pure harm. Dialysis is then the way forward. Heart failure, pulmonary oedema and other conditions with a high risk of…

[calc_aorta] Sinus of Valsalva (SOV) and Aortic Root Assessment The sinus of Valsalva diameter (SOVd) is a critical measurement in evaluating aortic root morphology…

…of ATRIA risk score. Comparison with other bleeding risk models Several bleeding risk assessment tools exist for patients with AF, including HAS BLED, HEMORR2HAGES, and…

…AF patients. Evidence suggests that the increased stroke risk in women is more closely associated with other comorbidities and age rather than sex alone. Consequently…

…of oral anticoagulant used. Studies have shown that it performs similarly or superiorly to other bleeding risk assessment tools, such as HEMORR2HAGES, ATRIA, ORBIT, and…

…3 Interpretation of HEMORR₂HAGES score. Comparison with ATRIA and HAS BLED Scores Several studies have compared the predictive performance of HEMORR₂HAGES with other bleeding risk…