…influenza) and other viral respiratory infections. However, in some individuals the infection may be severe and deadly. Importantly, COVID 19 has caused an unprecedented number…

…after a course of chemotherapy, but the timing varies considerably between regimens. Neutropenia can also be caused by haematological malignancy, stem cell transplantation, immunosuppressive drugs…

…heart disease or reduced left ventricular function. Persistent or non persistent ventricular tachycardia or frequent premature ventricular contractions that cause pronounced symptoms and other therapies…

Cardiology Clinical medicine Definition and pathophysiology Peripheral artery disease (PAD) is a clinical disorder caused by stenosis or occlusion of the aorta or arteries supplying…

Critical care Myocardial ischemia and infarction Definition and Pathophysiology Cardiogenic shock is a state of inadequate tissue and end organ perfusion caused by cardiac insufficiency…

…Medical cause Includes cardiac arrest caused by heart disease, other medical conditions (pulmonary embolism, bleeding, stroke, etc.) as well as cases where the cause does…

…suspicion of pericardial disease, it is important to conduct a careful investigation as several conditions may affect hemodynamics and the underlying cause is often serious…

…disease. What is the evidence? The evidence is vast. Some examples follow. Consider people with the genetic disorder familial hypercholesterolemia (FH), which is caused by…

Emergency medicine Myocardial ischemia and infarction Definition and pathophysiology Acute coronary syndrome (ACS) comprises a spectrum of clinical presentations caused by suspected acute myocardial ischaemia…

…depression related to fixed disease, together with rest angina and ST segment elevation caused by spasm. The absence of obstructive disease generally indicates a more…