70805 - Electric Signal Records

Academic Year 2025/2026

  • Docente: Ivan Corazza
  • Credits: 1
  • SSD: FIS/07
  • Language: Italian
  • Teaching Mode: Traditional lectures
  • Campus: Bologna
  • Corso: Single cycle degree programme (LMCU) in Medicine and Surgery (cod. 5904)

Learning outcomes

The student, at the end of the course, will know (a) why it is possible to acquire bioelectrical signal; (b) how it is possible; (c) how the standard ECG instrumentation works and (d) which are the limitations and the sources of errors of a standard electrocardiograph. Moreover, the student will know some basic algorithm for the ECG analysis.

Course contents

Signals acquisition (transducers, conditioning, AD conversion)

Fourier Theorem

Bioelectricity: from cellular contraction to vectocardiography

Bi and Uni-polar signal, standard 12-leads ECG

Resistance and capacitance between electrodes and skin

Electrical noise (50Hz and muscular)

Electrical patients safety (macro and microshock)

Signal analysis and HRV

Readings/Bibliography

Material provided by the teacher and available online (Virtuale).

Teaching methods

The course is made up of lectures with the support of Power Point presentations.


Assessment methods

The exam will be a multiple-choice quiz about all the content of the three modules of the whole course. The student will pass the examination by correctly answering to the 50%+1 of the questions.

Students with learning disorders and\or temporary or permanent disabilities: please, contact the office responsible (https://site.unibo.it/studenti-con-disabilita-e-dsa/en/for-students ) as soon as possible so that they can propose acceptable adjustments. The request for adaptation must be submitted in advance (15 days before the exam date) to the lecturer, who will assess the appropriateness of the adjustments, taking into account the teaching objectives.


Teaching tools


Diapositive e video disponibili su Virtuale

Office hours

See the website of Ivan Corazza