Related Experiment Video
Updated: Dec 18, 2025
08:12
Calculating Heart Rate Variability from ECG Data from Youth with Cerebral Palsy During Active Video Game Sessions
Published on: June 5, 2019
20.3K
Heart Rate Variability Assessment and Its Application for Autonomic Function Evaluation in Patients with
Aracy Satoe Mautari Niwa1, Michele Lima Gregório2, Luiz Eduardo Villaça Leão3
1São José do Rio Preto Medical School of - FAMERP, Avenida Brigadeiro Faria Lima, São José do Rio Preto, Brazil.
European Neurology
|June 20, 2020
Summary
Primary focal hyperhidrosis (PFHH) may stem from peripheral sympathetic nervous system issues, not systemic ones. Heart rate variability analysis showed no differences between PFHH patients and controls, suggesting localized nerve involvement.
Area of Science:
- Cardiology
- Autonomic Neuroscience
- Dermatology
Background:
- The pathophysiology of primary focal hyperhidrosis (PFHH) remains unclear.
- Heart rate variability (HRV) analysis can reveal systemic autonomic nervous system (ANS) involvement.
Purpose of the Study:
- To investigate ANS function in PFHH patients versus controls.
- To analyze HRV in time, frequency, and nonlinearity domains, alongside recurrence plots (RPs).
Main Methods:
- 34 PFHH patients and 34 controls underwent 20-minute resting ECG recordings.
- RR intervals were analyzed using Kubios Premium HRV software.
- Recurrence plots were generated using Visual Recurrence Analysis software.
Main Results:
- No significant differences in HRV parameters were found between PFHH patients and controls.
- Recurrence plot analysis also revealed no distinctions between the groups.
Conclusions:
- PFHH pathophysiology may involve peripheral sympathetic nervous system dysfunction at the glandular or nerve terminal level.
- The study indicates a lack of systemic ANS involvement in PFHH based on HRV analysis.
Related Concept Videos
01:14Assessing Body Temperature - Axilla
1.0K
Procedural Guide for Assessing Axillary Body Temperature using a Digital Thermometer:
Step 1: Perform hand hygiene and put on clean gloves to maintain infection control and prevent cross-contamination.
Step 2: Prepare the patient by explaining the procedure to ensure understanding and cooperation. Ensure privacy, expose the axilla, and inform the patient that minimal movement is crucial for an accurate reading.
Step 3: Adjust the patient’s clothing to expose only the axilla. It minimizes...
Step 1: Perform hand hygiene and put on clean gloves to maintain infection control and prevent cross-contamination.
Step 2: Prepare the patient by explaining the procedure to ensure understanding and cooperation. Ensure privacy, expose the axilla, and inform the patient that minimal movement is crucial for an accurate reading.
Step 3: Adjust the patient’s clothing to expose only the axilla. It minimizes...
1.0K
01:19Assessing Body Temperature - Temporal Artery
914
Here is a stepwise guide to assessing the body temperature at the temporal artery using a temporal artery thermometer
Step 1: Perform hand hygiene and don a fresh pair of gloves to prevent cross-infection and ensure patient safety.
Step 2: Explain the procedure to the patient to establish trust. Clear communication establishes trust with the patient, ensures they understand what to expect, promotes cooperation, and enhances comfort during the procedure.
Step 3: Assess the patient's...
Step 1: Perform hand hygiene and don a fresh pair of gloves to prevent cross-infection and ensure patient safety.
Step 2: Explain the procedure to the patient to establish trust. Clear communication establishes trust with the patient, ensures they understand what to expect, promotes cooperation, and enhances comfort during the procedure.
Step 3: Assess the patient's...
914
01:31Regulation of Heart Rates
3.5K
The regulation of heart rate is a complex process controlled by the autonomic nervous system (ANS), hormonal influences, and intrinsic cardiac mechanisms. The ANS has two main components: the sympathetic nervous system (SNS) and the parasympathetic nervous system (PNS).
The SNS increases heart rate through the release of norepinephrine and epinephrine, which act on beta-1 adrenergic receptors in the heart. This action increases the rate of depolarization in the sinoatrial (SA) node, the heart's...
The SNS increases heart rate through the release of norepinephrine and epinephrine, which act on beta-1 adrenergic receptors in the heart. This action increases the rate of depolarization in the sinoatrial (SA) node, the heart's...
3.5K
01:27Assessment of the Cardiovascular System III: Palpation
849
Palpation involves feeling the body to evaluate texture, size, consistency, and tenderness for assessing cardiovascular health. The following steps are organized in a head-to-toe order:
Jugular Venous Pressure (JVP) Measurement
Position the patient at a thirty- to forty-five-degree angle or in a semi-fowler's position. Look for the highest point of pulsation in the internal jugular vein and measure the vertical distance to the angle of Loius or sternal angle. A normal JVP is 3-4 cm above...
Jugular Venous Pressure (JVP) Measurement
Position the patient at a thirty- to forty-five-degree angle or in a semi-fowler's position. Look for the highest point of pulsation in the internal jugular vein and measure the vertical distance to the angle of Loius or sternal angle. A normal JVP is 3-4 cm above...
849
01:30Factors Influencing Heart Rate
5.9K
The heart rate, or pulse rate, is a vital indicator of cardiovascular health. It reflects the number of times the heart beats per minute. Various physiological and environmental factors influence heart rate, increasing or decreasing cardiac output. Understanding these factors is crucial for assessing heart function and identifying potential health issues.
Let us explore the significant factors affecting heart rate, including age, body temperature, posture, acute pain, chemical influences,...
Let us explore the significant factors affecting heart rate, including age, body temperature, posture, acute pain, chemical influences,...
5.9K
01:20Regulation of Pulse
2.0K
Pulse regulation involves physiological mechanisms that ensure adequate blood flow throughout the body. The heartbeat, regulated by the autonomic nervous system, is influenced by hormonal balance, physical activity, and emotional state.
2.0K