ECG Scavenger Hunt: Case Study

The Built-in ECG Simulator is just ONE of the NEW features on the new TR ROAM Lab Kits!

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As Anatomy & Physiology professors, many things we like to be able to demonstrate to our students are the physiological parameters that make the human body function in a “normal” capacity. This is an easy thing to do when we hook our students up to the iWorx data recording systems and record their ECG, respiration, EMG or other parameters. What becomes difficult is the explanation of what data look like when there is something physiologically wrong with an individual.

It is definitely not a usual occurrence that we are able to record when someone is in cardiac arrest, nor would we want this to be happening in our labs. However, for many students, this is an important part of learning about normal vs. abnormal cardiac rhythms. iWorx introduces both known and unknown simulated and actual patient ECG files that include a variety of cardiac rhythms: normal sinus rhythms in adults and infants as well as many different arrhythmias. These include atrial fibrillation, toursade, bundle branch blocks and many others.

Normal sinus rhythm shows a definite pattern of the P wave, QRS complex, and T wave. Within that pattern, there are normal amplitudes generated for each wave form as well as the time interval for each section of the cardiac cycle. In cardiac arrhythmias, the wave forms generated show the inconsistencies between the normal rhythm and the particular arrhythmia being shown. As an example, in atrial fibrillation there is a “quivering” of the upper chambers of the heart, rather than a distinct P wave, the data show a very fast, chaotic rhythm in the atria. This occurs because the electrical impulses from the sinoatrial (SA) node are so chaotic, the atria cannot contract and/or squeeze blood effectively into the ventricle.

In this lab exercise, students will be able to record and analyze resting ECGs from themselves and other students. Students can then use the ECG files simulate the recording of a variety of different arrhythmias. Analysis of each cardiac rhythm will allow students to gain an understanding of the physiological parameters associated with normal sinus rhythm and cardiac anomalies. Students can also generate recordings from real patient data and do a “scavenger hunt” to gather and identify as many abnormalities as possible.

Physiology in Action

Overview of Abnormal Heart Rhythms – Merck Manual explanation of different cardiac rhythms

Electrocardiogram – Explanations of multiple cardiac rhythms

iWorx ECG Simulation Lab

Other Popular Experiments

NEW iWorx TA ROAM Lab Kits with Wireless EMG/ECG!

New Built-in Features

  • 8+ Hours of Wireless ECG/EMG/EEG
  • Pulse-Ox
  • ECG Simulator, Arrhythmia Generator
  • LCD Display
  • Audio Output
  • Bipolar Animal and Human Stimulator 
  • 3-Axis Accelerometer
  • Intensity Meter

iWorx TA-ROAM has been designed from the ground up to be more durable. We have recessed the ports to student proof the connectors. The TA-ROAM has been built with the latest generation circuits and wireless technology. Eliminating the noise and hassle of wires. New built-in sensors expands the experiments that can be performed in YOUR lab. 

HK-TR ROAM Physiology Lab Kit with Wireless EMG/ECG

iWorx HK-TR ROAM Physiology Lab Kit

  • Teach over 100 exercises in cardiovascular, respiratory, and neuromuscular physiology
  • Low Noise Wireless ECG/EMG (optional EEG)
  • Pre-calibrated plug-and-play sensors
  • Easy-to-use LabScribe software
  • Built-in spirometer to reduce drift
  • Fast set-up

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