Related Experiment Video
Updated: Jan 29, 2026

Methods for Acute and Subacute Murine Hindlimb Ischemia
Published on: June 21, 2016
The Compression of a Plantar Lejars Pump Can Produce Arterial Flows in Acute Limb Ischemia
José María Escribano1, Marvin García1, Sergi Bellmunt1
1Angiology, Vascular and Endovascular Department, Hospital Universitari Vall d'Hebron, Barcelona, Spain.
Abstract:
A maneuver is explained to show arterial flow and its runoff in patients with acute limb ischemia in whom neither the angiography nor the baseline Doppler can obtain a diagnosis of permeability. During the maneuver, the Doppler color scale should be set to the lowest speed. Plantar compression may result in an inverted flow in the artery because the arteriovenous precapillary communications are open. During the plantar decompress, the negative venous pressure created allows a transient arterial flow by aspiration. This maneuver can produce flux in distal tibial arteries without Doppler signal in the supine rest position and can help locate the distal target vessels for revascularization.
Related Concept Videos
Arteries of Lower Limbs
Arteries of the Upper Limbs
ATP Driven Pumps III: V-type Pumps
The peripheral or cytosolic V1 domain with eight subunits is involved in ATP hydrolysis. The integral or transmembrane V0 domain containing at least five subunits...
ATP Driven Pumps II: P-type Pumps
A typical P-type pump has three cytosolic domains: nucleotide-binding (N), phosphorylation (P), and activator (A) domains. These domains are connected to the membrane-spanning helices by short amino acid segments. ATP hydrolysis and covalent phosphoenzyme intermediate formation are crucial parts of the catalytic cycle. At the highly...
Pumped Concrete
For direct-acting pumps, the concrete enters the pump via the inlet valve under the action of gravity and suction created by the movement of the piston. This concrete is then forced into the pipeline and out through the outlet valve by the forward movement...
Refrigerators and Heat Pumps
A household refrigerator removes heat from...

