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Heart Failure With Preserved Ejection Fraction: Diagnosis and Treatment

…fraction (LVEF) ≥50%. Objective evidence of structural or functional cardiac abnormality consistent with left ventricular diastolic dysfunction or increased filling pressures, including raised natriuretic peptides…

Assessment of the pupillary reflex in cardiac arrest

…to constrict the pupil. Under normal conditions, bright light causes rapid bilateral pupillary constriction (a brisk reflex), whereas low light causes dilation. This reflex is…

Management of bradycardia (bradyarrhythmia)

…ECG monitoring D Disability AVPU: Alert Voice responsive Pain responsive Unresponsive Limb movements Pupillary light reflexes Blood glucose E Exposure Identify signs of heart failure…

Post-Infarction Mechanical Complications: Ventricular Septal, Free-Wall, and Papillary Muscle Rupture

…Ventricular free wall rupture, producing haemopericardium and cardiac tamponade. Papillary muscle rupture, producing acute severe mitral regurgitation (MR). These complications result from transmural myocardial necrosis…

Tricuspid regurgitation (TR/TI)

…leaflet). The leaflets are attached to the subvalvular apparatus, consisting of the chordae tendineae and the papillary muscles . As compared to the mitral valve, the…

ST-Elevation Myocardial Infarction Complicated by Cardiogenic Shock

…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…

Mitral regurgitation

…heart disease) Rheumatic valve disease Endocarditis Congenital mitral regurgitation Amyloidosis SLE Hypertrophic obstructive cardiomyopathy (HOCM) Rupture of papillary muscle Rupture of chordae tendineae Figure 1…

Mitral valve stenosis

…mitral valve The leaflets are connected to the papillary muscles via chordae tendineae (Figure 1). The anterolateral papillary muscle receives blood supply from the left…

Standard Transthoracic Echocardiogram: Complete Imaging Protocol

…Thus, with regards to measuring ventricular dimensions, trabeculae and papillary muscles are considered part of the left ventricular cavity. Other dimensions– including atrial dimensions, mitral…

Supraventricular and intraventricular conduction defects in myocardial ischemia and infarction

…during its course through the interventricular septum. It starts to branch off at the anterior papillary muscle's origin. The interventricular septum obtains Purkinje fibers…

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