Dr. M. Alnakhli
,
, Fluid responsiveness : means response to a fluid challenge by an
improvement in stroke volume by at least 10%.
Marik et al . Annals of intensive care 2011
Volume expansion, the first-line treatment of acute circulatory failure
can be the source of a crucial therapeutic dilemma.
Rivers et al. Early goal-directed therapy in the
treatment of severe sepsis and septic shock. N Engl J
Med. 2001;345:1368–77.
, multiple studies have demonstrated that only approximately 50% of
hemodynamically unstable patients in the intensive care unit and operating
room respond to a fluid challenge.
Marik et al. Dynamic changes in arterial waveform Derived vari
fluid responsiveness in mechanically ventilated patient. A system
the literature. 2009 Sep;37(9):2642-7.doi: 10.1097/CCM.0b013e
Ventricular Preload : is defined as the degree of cardiac muscle tension at
the initiation of contraction. Clinically it is impractical to measure the tens
in the myocardium.
Guyton, Heart muscle: The
Theheart
hearthashas
a bump
a bump andand
func
the hard Valves
function of the. In:Elsevier,
hard Valves s,ed.,
. In:Elsevier,
Textbook ofs,ed.,
medica
Tex
Physiology.
of medical Physiology.
11 edition. 11 edition.