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Related Concept Videos

Design Example: Vintage Mixing Console01:17

Design Example: Vintage Mixing Console

A sound engineer at a music company recently encountered a problem. The output from their newly acquired studio's vintage mixing console was too low for the requirements of modern recording equipment. To rectify this situation, the engineer decided to design an audio pre-amplifier using an operational amplifier (op-amp) to boost the signal level.
The specifications for the pre-amplifier were clear. It needed to amplify the audio signal by a factor of 10, have an input impedance above 10...
Cascaded Op Amps01:16

Cascaded Op Amps

Operational amplifiers (op-amps) are versatile electronic components that can be interconnected in a cascade - one after another in a linear sequence. This cascading is possible due to their infinite input resistance and zero output resistance, allowing them to maintain their input-output relationships even when connected in series.
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Instrumentation Amplifier01:25

Instrumentation Amplifier

An electrocardiography (ECG) machine is an essential piece of medical equipment used to monitor the electrical activity of the heart. It operates by detecting small electrical changes on the skin that result from the depolarization of the heart muscle during each heartbeat. However, these signals are in the microvolt range and can be easily overwhelmed by noise or interference.
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The Delta-to-Delta Circuit01:17

The Delta-to-Delta Circuit

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Clipper Circuit01:18

Clipper Circuit

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Problem-Solving: Tuning of a Guitar String01:04

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Updated: Jun 4, 2026

Photodiode-Based Optical Imaging for Recording Network Dynamics with Single-Neuron Resolution in Non-Transgenic Invertebrates
10:18

Photodiode-Based Optical Imaging for Recording Network Dynamics with Single-Neuron Resolution in Non-Transgenic Invertebrates

Published on: July 9, 2020

[Pedal bypass--ten years experience].

R Staffa1, Z Kríz

  • 1II chirurgická klinika LF MU a FN u sv. Anny v Brne. robert.staffa@fnusa.cz

Rozhledy V Chirurgii : Mesicnik Ceskoslovenske Chirurgicke Spolecnosti
|March 1, 2011
PubMed
Summary
This summary is machine-generated.

Pedal bypass surgery offers a viable solution for limb salvage in high-risk patients. This study demonstrates significant limb salvage rates and bypass patency, even in complex cases.

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Dissociation of the Confounding Influences of Expectancy and Integrative Difficulty Residing in Anomalous Sentences in Event-related Potential Studies
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Last Updated: Jun 4, 2026

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Dissociation of the Confounding Influences of Expectancy and Integrative Difficulty Residing in Anomalous Sentences in Event-related Potential Studies
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Dissociation of the Confounding Influences of Expectancy and Integrative Difficulty Residing in Anomalous Sentences in Event-related Potential Studies

Published on: May 9, 2019

Area of Science:

  • Vascular Surgery
  • Reconstructive Surgery
  • Diabetology

Context:

  • 110 patients with limb-threatening ischemia underwent pedal bypass surgery between October 2000 and July 2009.
  • All patients had exhausted endovascular and conservative therapy options.
  • The study focuses on outcomes in patients with critical limb ischemia.

Purpose:

  • To evaluate the efficacy of pedal bypass surgery in limb salvage.
  • To assess the long-term patency rates of pedal bypasses.
  • To investigate the influence of diabetes mellitus on pedal bypass outcomes.

Summary:

  • The study reports a 78.0% cumulative probability of limb salvage and 67.2% primary patency for pedal bypasses.
  • Early postoperative mortality was 1.8%, with 21 bypass occlusions during a mean follow-up of 30 months.
  • Restoration of patency was achieved in 8 of 21 occlusions through early intervention.
  • Diabetes mellitus was analyzed for its effect on bypass patency and limb salvage.

Impact:

  • Pedal bypass surgery is a viable option for limb salvage in complex cases.
  • Understanding the impact of diabetes is crucial for optimizing patient selection and management.
  • The findings contribute to the evidence base for treating critical limb ischemia.