Pulse Examination

Pulse examination is a fundamental diagnostic tool in both modern medicine and Ayurveda, offering valuable insights into cardiovascular health, systemic diseases, and neurological conditions. While Ayurveda focuses on Nadi Pariksha (dosha-based pulse assessment), modern medicine classifies pulse abnormalities based on rate, rhythm, volume, and arterial wall characteristics.

This discussion explores modern pulse examination methods, pulse variations in different diseases, and advanced diagnostic techniques.


I. Parameters of Modern Pulse Examination

In modern clinical practice, the pulse is assessed based on multiple parameters:

ParameterClinical Importance
Rate (beats per minute)Bradycardia (<60 bpm), Tachycardia (>100 bpm)
RhythmRegular vs. Irregular (Arrhythmias)
VolumeWeak (low cardiac output), Bounding (hyperdynamic circulation)
TensionHard pulse (hypertension), Soft pulse (hypotension)
CharacterNormal, slow-rising, collapsing, bisferiens, etc.
SymmetryComparing both radial arteries for occlusive diseases
Arterial Wall ConditionAtherosclerosis (rigid arteries), Vasculitis

II. Types of Pulse in Different Conditions

1. Rate Abnormalities

ConditionPulse TypeClinical Features
Bradycardia (<60 bpm)Slow pulseSeen in hypothyroidism, heart block, athlete’s heart
Tachycardia (>100 bpm)Rapid pulseCommon in fever, hyperthyroidism, dehydration, shock

2. Rhythm Abnormalities

ConditionPulse TypeClinical Significance
Atrial Fibrillation (AF)Irregularly irregularCommon in elderly, hypertension, atrial enlargement
Ventricular ArrhythmiaRapid, irregular pulseIndicates serious cardiac disease
Sinus ArrhythmiaRegularly irregularNormal in young individuals, varies with breathing
Heart BlockSlow, irregularSeen in conduction disorders

3. Volume & Character Abnormalities

ConditionPulse TypeClinical Implication
Aortic RegurgitationCollapsing pulse (Water Hammer)Strong pulse with sudden collapse
Aortic StenosisSlow-rising pulseLow-volume, delayed upstroke
HypertensionHigh-volume, bounding pulseSeen in systolic hypertension, hyperthyroidism
Shock (Hypovolemia)Weak, thready pulseIndicates low cardiac output
Septic ShockBounding pulseDue to high cardiac output and vasodilation
Cardiac TamponadePulsus paradoxusDrop in pulse volume during inspiration
HOCM (Hypertrophic Obstructive Cardiomyopathy)Bisferiens pulseDouble-peaked pulse

4. Arterial Wall Abnormalities

ConditionPulse FeatureClinical Relevance
AtherosclerosisRigid, non-compressible pulseIndicates arterial stiffness
Vasculitis (Takayasu’s Arteritis)Absent or weak pulseSeen in large vessel inflammation
Coarctation of AortaRadial-femoral delayDelayed femoral pulse compared to radial pulse

III. Advanced Diagnostic Techniques in Pulse Examination

  1. Doppler Ultrasound
    • Measures blood flow velocity & arterial patency
    • Used in peripheral artery disease (PAD), deep vein thrombosis (DVT)
  2. Pulse Oximetry
    • Measures oxygen saturation (SpO2)
    • Low SpO2 suggests hypoxia, lung disease, heart failure
  3. Arterial Tonometry
    • Assesses arterial stiffness & pulse wave velocity
    • Helps in hypertension & cardiovascular risk assessment
  4. Ambulatory Blood Pressure & Pulse Monitoring
    • Records variations over 24 hours
    • Useful for detecting masked hypertension & nocturnal BP changes
  5. ECG (Electrocardiogram) Correlation
    • Confirms pulse abnormalities like atrial fibrillation, arrhythmias

IV. Correlation Between Ayurvedic Nadi Pariksha & Modern Pulse Diagnosis

Ayurvedic Pulse TypeModern EquivalentDisease Associations
Vata Pulse (Fast, irregular, weak)Tachycardia, thready pulseAnxiety, arrhythmias, dehydration
Pitta Pulse (Strong, warm, bounding)Bounding pulseFever, hypertension, hyperthyroidism
Kapha Pulse (Slow, steady, full)Bradycardia, slow-rising pulseHypothyroidism, heart failure

V. Disease-Specific Case Examples

1. Case of Atrial Fibrillation

  • Pulse Findings: Irregularly irregular pulse, varying intensity
  • Possible Causes: Hypertension, atrial enlargement, thyrotoxicosis
  • Confirmatory Tests: ECG, echocardiography

2. Case of Aortic Regurgitation

  • Pulse Findings: Collapsing, water-hammer pulse
  • Possible Causes: Valvular heart disease, Marfan syndrome
  • Confirmatory Tests: Echocardiography, Doppler study

3. Case of Septic Shock

  • Pulse Findings: High-volume, bounding pulse
  • Possible Causes: Sepsis, systemic inflammatory response
  • Confirmatory Tests: Blood culture, lactate levels

Total Number of Words: 468

Total Reading Time: 2 minutes 21 seconds