…account for a substantial proportion of sudden cardiac death in young athletes. Clinically, they may be categorized according to whether they are: Not associated with…

…ACS) into ST segment elevation myocardial infarction (STEMI), non STEMI (NSTEMI), and unstable angina (UA) has guided clinical decision making for decades but carries several…

…segment elevation myocardial infarction (STEMI) is an acute coronary syndrome characterized clinically by acute myocardial ischaemic symptoms or equivalent presentations together with persistent ST segment…

…College of Cardiology (ACC) and the European Society for Cardiology (ESC). The chapter will start with basic concepts of NSTEMI and unstable angina and then…

…acute coronary syndromes. Subsequent chapters will deal with ST segment elevation myocardial infarction (STEMI) and non ST segment elevation myocardial infarction (Non STEMI, NSTEMI) in…

…segment elevation myocardial infarction (NSTEMI) is considered within the spectrum of non ST elevation acute coronary syndrome (NSTE ACS). The clinical spectrum includes patients with…

…PPCI reduces mortality, non fatal reinfarction, and stroke compared with fibrinolysis. It is also more effective at opening the occluded coronary artery and is advantageous…

…to invasive coronary angiography (ICA) for excluding non ST segment elevation acute coronary syndrome (NSTE ACS) in patients with a low to intermediate likelihood of…

…classified into unstable angina (UA), non ST segment elevation myocardial infarction (NSTEMI), and ST segment elevation myocardial infarction (STEMI). While the incidence of STEMI is…

…with formation of an intraluminal thrombus. The clinical spectrum includes unstable angina, non ST segment elevation myocardial infarction (NSTEMI), and ST segment elevation myocardial infarction…

…the most current recommendations for the management of acute coronary syndromes with persistent ST segment elevations (i.e STEMI, ST segment elevation acute myocardial infarction…

…consequences of the culprit lesion. Patients may present with ST segment elevation myocardial infarction (STEMI), non ST elevation ACS (NSTE ACS), or ACS complicated by…

…ACS population. Clinical context and patient selection Acute coronary syndrome ACS includes ST segment elevation myocardial infarction (STEMI), non ST elevation myocardial infarction (NSTEMI), and…

…amenable to PCI. Stent selection must nevertheless be integrated with lesion anatomy, clinical presentation, bleeding risk, the anticipated need for non cardiac surgery, procedural complexity…

…ACS is the acronym for Non ST Elevation Acute Coronary Syndrome. This category includes all acute coronary syndromes without significant ST segment elevations on ECG…

…patients with total and proximal occlusions may present without ST segment elevations (which they should exhibit) due to rich collateral circulation in the ischemic area…

…coronary angiography with the intent of performing PCI. The COACT, PEARL and TOMAHAWK trials studied patients with ROSC who did not display ST segment elevations…

…segment elevation, immediate reperfusion assessment is required. Patients with NSTE ACS should be admitted for management of acute ischaemia. Those with possible ACS, a non…

…coronary arterial obstruction that has persisted for at least 30 days. CTOs are common among patients undergoing coronary angiography, with reported prevalence ranging from 18…

…Prolonged spasm can cause acute myocardial infarction, including myocardial infarction with non obstructive coronary arteries (MINOCA). Ventricular fibrillation and sudden cardiac death are important potential…

…Persistent or non persistent ventricular tachycardia or frequent premature ventricular contractions that cause pronounced symptoms and other therapies have failed. Patients with structural heart disease…

…Rest Imaging : Conducted after a predefined interval to allow for radiotracer clearance or with a different radiotracer to capture myocardial blood flow under baseline conditions…

…patients undergoing urgent non cardiac surgery or those with an unstable clinical condition. In patients with suspected or established non ST segment elevation acute coronary…

…a high atrial rate (for example atrial fibrillation) if the block in the AV node is high grade. Causes of tachyarrhythmia with narrow QRS complexes …

…Acute severe aortic regurgitation with heart failure Cardiac tamponade from haemopericardium Myocardial ischaemia from coronary ostial compromise Focal neurological deficits or non haemorrhagic stroke Renal…

…activity and there is a chance that ischemic episodes are missed. Indeed, studies (with continuous ST segment monitoring) show that 60% to 75% of ischemic

…a very high density of capillaries. The muscle fibers are organized into several sheets that wrap around the ventricle with varying orientation. As explained below…

…wide QRS complex (QRS duration ≥0.12 s). Refer to Figure 1 for an example. The premature ventricular impulse replaces a sinus beat and induces…

…fulfills the criteria for sinus rhythm but the heart rate is slower than 50 beats per minute. ECG criteria follow: Regular rhythm with a ventricular…

…The transition from a quiescent plaque to a highly thrombogenic surface occurs via three primary mechanisms: Plaque Rupture: Accounting for 60 70% of ACS presentations…

…for the device available on the unit. Preparation and equipment A device capable of both CPAP and bilevel ventilation, or alternatively flow generated CPAP with…

…Clinical Significance Non HDL C is strongly associated with cardiovascular risk for both initial and on treatment assessment. In most studies, its association with cardiovascular…

…particularly for intermediate lesions. Even lesions with a visual diameter reduction of 50–70% may or may not produce ischaemia. Conversely, some lesions with apparently…

…history should therefore be examined for potential physiological or systemic stressors, with treatment directed at the precipitating condition. Myocardial and non ischaemic mimics Takotsubo syndrome…

…coronary microvascular dysfunction or vasospasm. A normal or non obstructive coronary anatomy does not necessarily exclude an ischaemic mechanism. Clinical assessment and estimation of pre…

…Place in lipid lowering therapy General treatment sequence High intensity statin therapy remains the foundation of lipid lowering treatment for patients with chronic coronary syndrome…

…Among patients referred for invasive angiography, ANOCA/INOCA is more frequent in women, affecting approximately 50–70% of women compared with 30–50% of men…

…sex , and race based percentile Comparison with the expected score for a person of the same age and sex CAC may also reveal extracoronary findings…

…acoustic shadowing. Reverberations artifacts Ultrasound waves can be reflected multiple times between dense structures ( i.e structures with high echogenicity). For each reflection, a portion…

Cardiology Principles of myocardial perfusion imaging Myocardial perfusion imaging (MPI) is a non invasive technique for detecting and quantifying coronary artery disease (CAD). It offers…

…®, Rogitine ® Indications Hypertensive crisis. Mechanism of action Phentolamine is a non selective alpha adrenergic blocker. Phentolamine reduces blood pressure while increasing catecholamine activity…

…examination findings. Diagnostics and laboratory findings Lipid assessment Triglyceride concentrations should be interpreted in conjunction with LDL C, non HDL C and apolipoprotein B, particula

…6. Look for several concurrent causes. In older patients delirium is often multifactorial. 7. Start non pharmacological treatment immediately , in parallel with the investigation. 8…

…severe piperacillin–tazobactam 4 g × 4 IV Exacerbation of COPD with an indication for antibiotics amoxicillin 750 mg × 3 PO 5–7 days or doxycycline…

…reduce the antiplatelet effect of acetylsalicylic acid. Use with caution in patients on low dose acetylsalicylic acid for cardioprotection. Pharmacokinetic interactions Methotrexate: NSAIDs inhibit tubular…

…with acetylsalicylic acid (ASA), is indicated for the prevention of atherothrombotic events in adult patients with acute coronary syndromes (ACS), including: Unstable angina (UA) Non…

…is indicated in adults for chemical conversion of recent onset atrial fibrillation to sinus rhythm. Vernakalant is used in the following settings: Non surgery patients:…

…accounts for the competing risk of death from non cardiovascular causes, an important consideration in older populations. Risk prediction is particularly relevant in adults with…

…considered independently. For cardiometabolic health, the most favourable patterns generally contain more minimally processed, fibre rich and bioactive foods, including fruits, non starchy vegetables, beans…

…visual angiographic guidance in selecting lesions for percutaneous coronary intervention (PCI). Non hyperemic pressure ratios (instantaneous wave free ratio [iFR], resting full cycle ratio [RFR]…

…Do not wait for troponin. If clinical suspicion persists despite an initially non diagnostic ECG, the ECG must be repeated, particularly with ongoing or recurrent…

…protocol MRI of the brain DWI FLAIR mismatch can be used for selection with an unknown time of onset when MRI is immediately available and…

…when fitting the device. Use the arm with the higher pressure, or the non dominant arm if the values are equal. Check against a manual…

…ones [5]. For acute clinical use the following simplification can be used: Grade Clinical picture Management : : : Mild allergic reaction Skin or mucosa only, stable breathing…

…rest pain in the foot or leg, or a non healing distal ulcer. Before compression treatment of a leg ulcer — compression in arterial insufficiency can…

…for example during mechanical ventilation or severe metabolic derangement. Major surgery with expected blood loss or large volume shifts. Patients in whom non invasive measurement…

…in the office but raised outside it — associated with the same risk as manifest hypertension. Non dipping: a nocturnal fall in pressure of < 10…

…significant blood loss. Massive haemorrhage meeting the criteria for activation of the massive transfusion protocol. Plasma and platelets: in ongoing bleeding with coagulopathy, or as…

…up, always with the light checked. Tubes in three sizes, a stylet or bougie taken out and shaped before induction , a syringe for the cuff…

…a syringe for the cuff in the models that have one, a cuff manometer. A videolaryngoscope with both a Macintosh like and a hyperangulated blade…