…different questions and do not replace one another: the aspirate shows cellular morphology and provides material for flow cytometry and genetics, while the biopsy shows…

…with several simultaneous renal insults. Infection, hypovolaemia, cardiac dysfunction, haemodynamic instability, anaemia and other nephrotoxic exposures may contribute to tubular injury, making attribution to contrast…

…abscess, a markedly unwell patient with fever and systemic upset, suspected necrotising soft tissue infection, a child who cannot tolerate the procedure while awake. Suspected…

…governs the choice of material and bandaging technique. Procedure Assessment 1. History: duration, previous ulcers, DVT, varicose veins, claudication, diabetes, smoking, character of the pain…

…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…

…of infection. Indications Infusion of vesicant solutions: vasopressors, concentrated potassium, cytotoxic drugs, parenteral nutrition. The need for several simultaneous, incompatible infusions. Haemodialysis, plasmapheresis or other…

…within 5 minutes following the maternal cardiac arrest. Within the context of pregnancy, hypovolemia and other etiologies of hypotension remain the predominant causes of cardiac…

…a separate platelet activation pathway. The principal oral P2Y12 inhibitors discussed in the source material are clopidogrel, prasugrel, and ticagrelor. Combining aspirin with a P2Y12…

…stent thrombosis and other ischemic events after coronary angiography, percutaneous coronary intervention (PCI), or medical management. The standard post ACS regimen is DAPT for 12…

…although the exact exposure threshold and duration required are not established. The source material identifies chronic intake of approximately 60 g daily in males and…

…Proposed explanations in the source material include cardiac memory after abnormal ventricular activation, transient rate related conduction abnormalities, pacing related repolarization changes, and inadequate coronary…

…The history should include: previous TIA or stroke; symptoms suggesting current or recent cerebral ischaemia; known CAD, PAD, or other atherosclerotic disease; diabetes and other…

…dyslipidaemia, endothelial biology and platelet related pathways. The source material also describes possible antiarrhythmic effects, associated with reductions in sudden cardiac death and atrial fibrillation…

…atheromatous and thrombotic material. Plaque or thrombus may be dislodged by: Balloon inflation Atherectomy Stent implantation Manipulation of friable SVG lesions Embolic debris obstructs the…

…elevated blood pressure Other cardiovascular risk factors and relevant comorbidities Evidence of hypertension mediated organ damage Existing cardiac, cerebrovascular, or renal disease The possibility of…

…exposes thrombogenic material to circulating blood. Platelets adhere, become activated, and aggregate through glycoprotein IIb/IIIa mediated fibrinogen bridging. Tissue factor activation stimulates the coagulation…

…organic material that swells, batteries and magnets. Preparation and equipment A chair with a head rest, preferably an ENT chair; raise the chair to your…

…presenting as cardiovascular collapse and cardiac arrest. Evaluation and Physical Examination The source material does not provide specific details regarding the physical examination or general…

…measurements permit assessment of the physiological significance of selected stenoses using fractional flow reserve (FFR) and instantaneous wave free ratio (iFR). Other invasive techniques can…

…material does not provide a specific examination profile or diagnostic physical signs for LMCAD. Diagnostic Assessment Coronary angiography Invasive coronary angiography defines: The presence and…

…material does not provide a detailed description of the presenting symptoms of NSTEMI. It does identify several clinical manifestations that indicate particularly high risk and…

…the European guideline definition. Clinical Presentation and Symptoms The source material does not describe a distinctive symptom profile for resistant hypertension. In clinical practice, the…

…thrombus can fragment, embolize to other coronary branches or vascular beds, propagate through gaps between stent struts, and compromise the treated lumen. Conventional angiography has…

…Thrombotic material may embolize distally and cause additional myocyte necrosis. Plaque disruption may also be accompanied by haemorrhage into the plaque. The diagnosis is supported…

…including chronic coronary syndromes and acute coronary syndromes HF across the spectrum of left ventricular ejection fraction AF and other arrhythmias Ischaemic stroke PAD CKD…

…factors. Plaque erosion Plaque erosion is increasingly recognized and is present in at least one third of acute coronary syndromes in the cited material. Eroded…

…arterial disease, and other very high risk settings described in the source material. The statin should be prescribed at the highest tolerated dose. When LDL…

…therefore depend on the vascular territory involved and may include manifestations of coronary, cerebral or peripheral arterial disease, although the source material does not specify…

…therefore generally favoured within 14 days of symptom onset in the source material. Clinical Presentation and Symptoms Aortic dissection is an uncommon cause of acute…

…plaque. Upon such damage, the plaque exposes highly thrombogenic materials which activate circulating platelets and coagulation factors, which results in thrombus formation (Figure 1). Disruption…

…the crystals, allowing sound waves to be sent out in shorter pulses and this improves resolution (discussed below). In front of the crystals are materials…

…the sensitivity is low). U wave changes always accompany other ischemic ST T changes. They may occur in both NSTEMI and STEMI. QTc prolongation The…

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

Info Table 1 provides a summary of the indications, contraindications, dosage, administration, warnings, precautions, and other relevant information for the drug Ticagrelor . Table 1 Summary…

…50% risk of transmitting the relevant variant to each child. However, other inheritance patterns, de novo variants, incomplete penetrance and variable phenotypic expression complicate risk…

Cardiology Definition and pathophysiology Low density lipoprotein cholesterol (LDL C) is the principal therapeutic target in lipid management because LDL and other apolipoprotein B containing…

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…

…assess the circulation and the bleeding risk, and exclude dangerous differential diagnoses [1,2]. STEMI and other ECG patterns suggesting acute coronary occlusion are time…

…drugs . The diagnosis rests on the history, a positive Dix–Hallpike test and the absence of other neurological findings. The treatment is a repositioning manoeuvre…

…Corticosteroids and other NSAIDs: Increased risk of gastrointestinal bleeding when combined with acetylsalicylic acid. Uric acid excretion agents (e.g., probenecid): Salicylates counteract the effect…

…disease (ASCVD). Atherosclerosis develops through the progressive deposition and retention of LDL C and other apoB containing lipoproteins within the arterial wall. This initiates inflammatory…

…effect is relatively limited compared with agents that inhibit other platelet pathways. The distinction between primary and secondary prevention is fundamental: Primary prevention refers to…

…and other symptoms may occur without chest pain and should be considered anginal equivalents. The emergency evaluation of non traumatic chest discomfort is structured around…

…pressure and high cholesterol levels, among other risk factors, were strongly associated with coronary artery disease and myocardial infarction. However, association is not the same…

…sufficient Severe elevation Acute HMOD Present Absent clinically Symptoms Often present and related to the affected organ May be absent or nonspecific Treatment setting Usually…

…other comorbidities Surgical risk and contraindications to prolonged dual antiplatelet therapy Patient preferences, local expertise and operator or institutional experience Assessment of coronary complexity The…

…years of age, atherosclerosis is the predominant cause. Other mechanisms include thrombosis, embolism, vasculitis, fibromuscular dysplasia, arterial entrapment, cystic adventitial disease and trauma. Atherosclerotic PAD…

…infection or other circumstances that may affect cessation or treatment monitoring. Single question screening can identify unhealthy drug use requiring counselling regarding cardiovascular effects and…

…in the US and many other countries, a 2:1 block will be difficult to discern because the flutter wave may fuse with the preceding…

…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…

…caused by ischemia and a significant proportion have ST T changes caused by other pathological conditions (such as bundle branch blocks). Comparing the ECG recordings…

…and the other for analyzing reflected sound waves. The cardinal difference between continuous wave Doppler and pulsed wave Doppler is that ultrasound is emitted 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…

…on the other hand, are much less likely to be caused by ischemia ( Figure 1 B ). This is noted in both North American and European…

…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)…

…index 15–19 kg/m² 17–22 kg/m² Ideal and dosing weight Drug dosing often requires a weight other than the actual body weight…

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

…inside the visible ice front , and this is why the margin must be included in the freeze. Contraindications Absolute: Suspected melanoma or any other pigmented…

…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…

…Epiglottitis and other severe upper airway infection cefotaxime 1–2 g × 3 IV Depends on the diagnosis Always assess the severity clinically, whatever the DS…