…the following order: aVL, I, −aVR (i.e., lead aVR with reversed polarity), II, aVF, and III. Note that lead –aVR exists at 30° in…

…switch from a contractile to a synthetic state, producing abundant extracellular matrix (ECM) components, primarily interstitial collagen types I and III, elastin, and proteoglycans [6] …

…In contrast, modalities like echocardiography and ECG typically identify ischemia at later stages, when functional or electrical alterations are evident. Subjective symptoms (i.e. chest…

…wall stress and coronary artery perfusion. These changes gradually lead to insufficient coronary perfusion (i.e myocardial ischemia and angina pectoris), ventricular dysfunction (heart failure…

…confused J points, notches and slurs I once had the privilige of attending a lecture given by professor Salim Yusuf of McMaster University. Professor Yusuf…

…through the heart and vessels. The velocity of erythrocytes ( i.e blood) can be used to estimate pressure gradients (pressure differences) between the atria, ventricles…

…world: What is the best ECG book? This question is far from trivial and the stakes are high; mastering ECG interpretation will frequently be a…

…a · v states that flow (Q) is the product of area (a) of the cylinder and the velocity (v) of the fluid (i.e blood…

…bag mask ventilation or failed intubation — and already at the planning stage when the MACOCHA score or the LEMON assessment indicates that difficulties are likely…

…dilation leads to dilation of the mitral annulus and papillary muscle displacement (i.e the distance between the papillary muscle and the mitral annulus increases…