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Cardiac index is a critical parameter in evaluating cardiac performance and the adequacy of tissue perfusion. In healthy adults, the normal range of cardiac index is generally between 2.6 to 4.2 L/min/m². Values below this range may indicate hypoperfusion and are often seen in conditions such as heart failure, hypovolemia, and cardiogenic shock.
The cardiac output is normalized to body size through body surface area and is called the cardiac index. The average cardiac output, using an average stroke volume of about 70mL, is 5.25 L/min, with a normal range of 4.0–8.0 L/min. [8] The stroke volume is normally measured using an echocardiogram and can be influenced by the size of the ...
The Revised Cardiac Risk Index (RCRI) is a tool used to estimate a patient's risk of perioperative cardiac complications. The RCRI and similar clinical prediction tools are derived by looking for an association between preoperative variables (e.g., patient's age, type of surgery, comorbid diagnoses, or laboratory data) and the risk for cardiac complications in a cohort of surgical patients ...
The cardiac index is a measure of cardiac output divided by the BSA, giving a better approximation of the effective cardiac output; Chemotherapy is often dosed according to the patient's BSA. Glucocorticoid dosing is also expressed in terms of BSA for calculating maintenance doses or to compare high dose use with maintenance requirement.
Major factors influencing cardiac output – heart rate and stroke volume, both of which are variable. [1]In cardiac physiology, cardiac output (CO), also known as heart output and often denoted by the symbols , ˙, or ˙, [2] is the volumetric flow rate of the heart's pumping output: that is, the volume of blood being pumped by a single ventricle of the heart, per unit time (usually measured ...
Obama's body mass index of 22.8 falls within the normal range, and his resting heart rate of 56 beats per minute resembles that of a well-trained athlete, according to the American Heart Association.
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The aim is to maintain a systolic blood pressure above 90 mmHg and a cardiac index of more than 2.2 L/min/m 2. [38] LCOS is often transient. [42] Myocardial infarction can occur after the operation because of either technical or patient-specific factors.