A discussion of how to measure and interpret the heart rate, including a deep dive on the evidence behind why the normal rate is not 60100, despite widespread belief to the contrary.

@0:00 Introduction
@0:40 Heart rate vs. pulse rate
@2:52 Measurement of the heart rate
@4:06 Normal range of heart rate
@12:00 Etiologies of tachycardia
@13:16 Etiologies of bradycardia
@13:45 Pitfalls and mistakes

References:

Mason JW, et al. Electrocardiographic reference ranges derived from 79,743 ambulatory subjects. J Electrocardiol. 2007; 40:22834.

Hjalmarson A, et al. Influence of heart rate on mortality after acute myocardial infarction. Am J Cardiol. 1990;65:54753.

Aladin A, et al. Relation of resting heart rate to risk for allcause mortality by gender after considering exercise capacity (the Henry Ford exercise testing project). Am J Cardiol. 2014; 114:17016.

Spodick DH. Survey of selected cardiologists for an operational definition of normal sinus heart rate. Am J Cardiol. 1993; 72:4878.

Bainton JH, Levy RL, Munly WC, et al. Criteria for the Classification and Diagnosis of Heart Disease, 1st Ed. New York Tuberculosis and Health Association; 1928.

DeGraff AC, De La Chapelle CE, Eggleston C, et al. Nomenclature and Criteria for Diagnosis of Diseases of the Heart, 4th Ed. New York Heart Association; 1946.

Kossmann CE. The normal electrocardiogram. Circulation. 1953;92036.

Dolgin M. Normal sinus rhythm. Am J Cardiol. 1993; 71:4967.

Spodick DH. Redefinition of normal sinus heart rate. Chest. 1993; 104:93941.

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