…Other causes include acute mechanical complications—particularly ventricular septal defect (VSD) and papillary muscle rupture with acute severe mitral regurgitation—predominant right ventricular (RV) infarction…

…with marked tolerance. The most important measures in severe or complicated withdrawal are: 1. A benzodiazepine in a sufficient and repeated dose , titrated against clinical…

…physiological criteria supporting revascularization. In less severe coronary disease, PCI generally offers more rapid recovery and lower initial morbidity than CABG, with lower stroke rates…

…acute severe mitral regurgitation, and other mechanical complications. Shock occurs more often when the coronary artery is completely occluded and is particularly associated with MVD…

…infarction (STEMI). This may not always be simple, because both conditions bring about severe chest pain and ST elevations on the ECG. However, as we…

…and cerebral involvement. Catecholamine excess and drug related presentations Severe hypertension may result from phaeochromocytoma, monoamine oxidase inhibitor crisis, cocaine intoxication, or other sympathomimetic exposure…

…These two measures – i.e switching to anaerobic metabolism and discontinuing the contractions – enables the myocardium to endure 20 to 30 minutes of severe ischemia…

…an inhaled short acting β2 agonist, ipratropium in more severe attacks, and a systemic steroid given early [2,3]. Grading Grade the severity by the…

…severity of the symptoms governs the emergency treatment Severe symptoms The following symptoms indicate hyponatraemic encephalopathy and warrant immediate treatment in the absence of another…

…up of unexplained iron, B12 or folate deficiency when blood tests are insufficient. Contraindications Severe coagulopathy or ongoing anticoagulation — correct this first . Thrombocytopenia, by contrast…

…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…

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

…moderate or severe CKD, or HMOD. Variables incorporated into SCORE2 and SCORE2 OP The models include conventional cardiovascular risk factors: Age Sex Smoking status Systolic…

…syndrome (ACS), DAPT is used to reduce recurrent myocardial infarction, stent thrombosis and other ischemic events after coronary angiography, percutaneous coronary intervention (PCI), or medical…

…for routine use. No reflow may also occur in association with other procedural complications, including distal embolization, coronary dissection, perforation, and abrupt closure. The clinical…

…Other mechanisms capable of obstructing coronary arteries include embolism, dissection, coronary arteritis associated with systemic vasculitis, extrinsic compression, myocardial bridging and radiation induced coronary disease…

…reflects an imbalance between myocardial oxygen supply and demand. In many cases, the initiating process is plaque disruption with thrombosis; other cases result from spasm…

…or silent STEMIs is greater in patients with diabetes mellitus and increases with age. STEMI may present as sudden onset breathlessness. Other less common presentations…

…acute kidney injury, microangiopathic haemolysis, and severe pre eclampsia or eclampsia. The blood pressure is often at least 180/120 mmHg, but no absolute threshold…

…2 MI from acute and chronic myocardial injury. Myocardial injury is characterised by myocyte necrosis and troponin elevation due to mechanisms other than myocardial ischaemia…

…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…

…failure, and heart failure have been identified as important risk factors. Severe atherosclerosis of the axillary or subclavian arteries may increase the risk of embolization…

…premature CAD or other vascular disease. A history of myocardial infarction or raised cholesterol among relatives. The presence of tendon xanthomas, corneal arcus and xanthelasma…

…intraluminal mass and lesion haziness raise suspicion of thrombus, although haziness is not specific. Intravascular imaging can identify plaque disruption, thrombus and other structural features…

…other systemic influences. The severity of myocardial injury is determined not only by the epicardial obstruction but also by the vulnerability of the myocardium and…

…Dipyridamole, Regadenoson : Should be avoided in patients with active bronchospasm, severe hypotension, or high degree AV block. Caffeine and other methylxanthines, which antagonize adenosine receptors…

…1, formerly termed glucocorticoid remediable aldosteronism, and other familial forms associated with adrenal adenoma or bilateral adrenal hyperplasia. A family history is therefore important, particularly…

…fasciitis — pain that is disproportionately severe, a rapid course, skin discolouration, systemic upset — is an acute surgical emergency, not an abscess. Preparation and equipment No…

…is generally related to an atherothrombotic event, whereas Types 2–5 MI have other mechanisms of myocardial ischaemia and necrosis. Unstable angina (UA) represents myocardial…

…More broadly, bradyarrhythmic arrest and asystole represent severe manifestations of impulse generation or conduction failure. The pathophysiology of these events may stem from reversible causes…

…cardiac dysfunction, haemodynamic instability, anaemia and other nephrotoxic exposures may contribute to tubular injury, making attribution to contrast alone difficult. In patients with normal renal…

…necrosis, or severe ischaemia on stress testing. Such developments may convert an initially selective or delayed approach into an indication for angiography and possible revascularization…

…for cardiovascular and kidney disease All patients with diabetes should be assessed for: ASCVD Severe target organ damage (TOD) HF AF CKD Other clinically relevant…

…third of patients may have severe fixed coronary obstruction. Such patients can have a mixed syndrome, with exertional angina and ST segment depression related to…

…in acute phase – due to risk of arrhythmias Severe aortic stenosis – due to risk of syncope, ischemia, and arrhythmias Endocarditis – due to risk of embolization…

…indicates severe and persistent ischaemia. The limb may be cold, pale, cyanotic or mottled. Capillary refill is delayed, and venous filling may be reduced. Other…

…TIA and arrhythmia, among others. Acute severe balance disturbance without nystagmus: HINTS does not apply. Assess gait and truncal stability and investigate for a central…

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

…haemodynamic collapse, and death. The clinical consequences are particularly important when pulmonary vascular obstruction is accompanied by limited cardiopulmonary reserve or other adverse comorbidity. The…

…associations include: Idiopathic or viral pericarditis Malignant pericardial disease Tuberculosis Purulent or bacterial pericarditis Trauma Cardiac surgery and other iatrogenic cardiovascular procedures Acute aortic disease…

…LV dysfunction, or other pathology that could affect the safety or interpretation of the examination. Evaluation and Physical Examination Before stress echocardiography, clinical assessment should…

…In addition, some patients present with severe LMCA stenosis exacerbated by other conditions, and these must also be recognized. Prompt identification of LMCA involvement is…

…and in these cases, the likelihood of ROSC is higher as compared to other etiologies and presentations. Asystole and pulseless electrical activity (PEA) often have…

…despite optimal neurohormonal blockade and adequate volume control. It is also utilized for ventricular rate control in atrial fibrillation, particularly when other therapeutic options cannot…

…follow cardiac surgery, coronary angiography or other invasive procedures, and affected patients may be relatively painless compared with those with spontaneous dissection. Clinical manifestations may…

…The extent of jeopardized myocardium Left ventricular systolic function Diabetes and other comorbidities Anatomical complexity and completeness of possible revascularization A proximal lesion jeopardizes more…

…syndrome) and other conditions involving an accessory pathway. Paroxysmal atrial fibrillation in patients with severe symptoms, provided that first line therapies have failed and the…

…however, display both ECG changes and symptoms. Troponins and other biomarkers of myocardial necrosis (infarction) Myocardium can endure 20 to 30 minutes of complete ischemia…

…during the assessment in the ER, only to develop severe chest pain and magnificent ST elevations a few minutes later. It is important to note…

…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…

…may originate from other branches of the same coronary artery or another coronary artery, will alleviate the ischemia, improve myocardial function and increase resistance to…

…administration, warnings, precautions, and other relevant information for the drug Ticagrelor . Table 1 Summary Indications Ticagrelor, in combination with acetylsalicylic acid (ASA), is indicated for…

…Other life threatening cardiopulmonary conditions account for approximately 5% of presentations in some populations. Despite this relatively low prevalence, missed myocardial infarction remains consequential, and…

…and increased thrombin generation. The clinical consequence of this triad is severe: cardioembolic strokes associated with AF are typically larger, present with more severe neurological…

[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…

…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…

…on the other hand, is caused by a complete coronary artery occlusion, which results in the complete stop of blood flow and thus more extensive…

…apathy, confusion, impaired reflexes. Severe <115 mmol/L Seizures, coma, respiratory arrest, brainstem herniation and death. Table 2. Grading of hyponatremia. Hypernatremia Hypernatremia does not…

…sickness and sickle cell crisis. Contraindications There are no absolute contraindications in hypoxaemia. Take particular care in: A risk of hypercapnic respiratory failure — COPD, severe…

…may mask (conceal) ongoing ischemia : LBBB causes severe disturbance of ventricular repolarization, which usually prevents other ST T changes (such as those arising from ischemia…