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Acute Pulmonary Embolism: Risk Stratification and Reperfusion

…complementary domains: Indicators of acute PE severity , including clinical findings, RV dysfunction on imaging, and myocardial injury shown by laboratory testing. Comorbidity and aggravating conditions …

ST segment depression in myocardial ischemia and differential diagnoses

…ECG finding is the ST segment depressions. In STE ACS, on the other hand, the ST segment depressions are secondary findings and the primary findings…

Interpretation of myocardial perfusion images (Myocardial SPECT / PET)

…facilitates precise reporting and ensures consistent communication of findings across clinicians. Perfusion defects are categorized by their size, encompassing: Small defects : <10% of the left…

Heart Failure With Mildly Reduced Ejection Fraction

…failure. These patients experience substantial morbidity and mortality, despite often having a considerable burden of non cardiac comorbidity. HFmrEF has clinical characteristics that, on average…

Mechanisms of cardiac arrhythmias: from automaticity to re-entry (reentry)

…the sinoatrial node) is a common finding in athletes and during sleep; in these scenarios, it should not be considered abnormal. On the other hand…

The Fourth Universal Definition of Myocardial Infarction: Types 1–5

…MI) is a clinical diagnosis that integrates myocardial injury, evidence of acute myocardial ischaemia, electrocardiographic findings, cardiac biomarkers, imaging, angiography, and, occasionally, pathological examination. Pathologically…

Atrial Fibrillation in the Critically Ill Patient

…Evaluation and physical examination Initial assessment should establish whether AF is associated with acute haemodynamic compromise, pulmonary oedema, or evidence of coronary ischaemia. These findings…

Assessment of the pupillary reflex in cardiac arrest

…a fundamental neurological examination finding that reflects brainstem (midbrain) function. In the context of cardiac arrest and the post resuscitation period, assessment of the PLR…

Sinus bradycardia: definitions, ECG, causes and management

…This is also a normal finding. Abnormal (pathological) causes of sinus bradycardia In all other situations, sinus bradycardia should be regarded as a pathological finding…

Other ECG changes in ischemia and infarction

…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…

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