Exact(1)
Possible pathophysiological mechanisms include (1) ischemia due to reduced blood supply (forward failure) or due to right heart failure (backward failure) with venous congestion, (2) hypoxemia due to reduced blood oxygenation and (3) increased oxygen consumption due to elevated metabolic demand (e.g., in severe hyperthermia or septic shock) [1, 9].
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A6 Deadly Tanzania Train Crash At least 200 people were killed after a passenger train in central Tanzania that apparently had mechanical failure rolled backward down a hill into a cargo train, the authorities said.
Thus, an interplay between cardiac forward failure and backward failure is involved in the renal function impairment in the congestive state, presumably along with other factors.
This leads to the concept that venous congestion or backward failure impairs GFR only, or preferentially, when forward failure is concomitantly present.
Hence, venous congestion and backward failure may even play a more important and currently underestimated role [46].
Elevated central venous pressure in HF promotes renal congestion (also known as backward failure).
The presence of venous congestion has been considered as a secondary phenomenon due to the backward failure caused by impaired cardiac output.
However, there may be occasional truncated paths, which can cause failure in forward and backward n-gram counting.
Based on a mechanical model, we have derived the physical conditions under which a tracked vehicle can traverse stairs without falling, and we have performed verification tests using a tracked vehicle to clarify the backward-falling failure mode.
The safety-analysis method is bi-directional in that it combines a forward analysis (from failure modes to effects) with a backward analysis (from hazards to contributing causes).
Valvular heart disease and subsequent congestive heart failure, chronic cardiac disorders, frequently lead to backward right ventricular heart failure with consecutive congestive hepatopathy and concomitant jaundice [5, 54].
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