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Anthropometric measurements

…older people with lost muscle mass (where a normal BMI may conceal sarcopenia), in oedema and ascites, and in people under 18 years of age…

Spirometry

…with a risk of transmission Until symptom free Haemoptysis of unclear cause Until investigated Relative obstacles also include dementia, marked hearing loss and an inability…

Arterial line

…blood loss or large volume shifts. Patients in whom non invasive measurement is unreliable: marked obesity, pronounced vasoconstriction, arrhythmia, intra aortic balloon pump. Assessment of…

Physics of ultrasound

…wavelength and amplitude of sine curves. Figure 2. Sound waves can be described mathematically as sine curves. The peaks and lows of the sine curve…

🟠 Adjusted aortic root dimension

…aiding in the diagnosis of aortic root dilation. Key Formulas BSA Calculation (Mosteller formula): [ \text{BSA (m²)} = \sqrt{\frac{\text{Height (cm)} \times \text…

🟠 BMI and Body Surface Area (BSA) calculator

…Underweight : Less than 18.5 Normal weight : 18.5 to 24.9 Overweight : 25 to 29.9 Obese : 30 and above Limitations of BMI Despite…

The ST segment: physiology, normal appearance, ST depression & ST elevation

…the height difference (in millimeters) between the J point and the baseline (the PR segment). ST segment deviation occurs in a wide range of conditions…

ST segment elevation in acute myocardial ischemia and differential diagnoses

…STEMI) the level of the J point is typically close to the level of the T wave apex (i.e the height difference between the…

Terminology of sudden cardiac arrest and resuscitation

…Sudden and unexpected cardiac arrest with loss of mechanical cardiac function. Results in loss of consciousness, cessation of breathing, and absence of a palpable pulse…

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

…Imaging evidence of new loss of viable myocardium or a new regional wall motion abnormality in an ischaemic pattern. Identification of a coronary thrombus by…

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