Minute Ventilation as a Measure of Fitness and Endurance

By: RTM Vital Signs LLC When exercising, a person will breathe deeper and more often in order to supply the muscles with the oxygen (energy) they need and to remove carbon dioxide (waste). Exercise, over time, will increase the strength and function of muscles, making them more efficient – requiring a lower amount of oxygen […]

Limitations of the usual blood-pressure hypothesis and importance of variability, instability, and episodic hypertension

By: Peter M Rothwell Abstract: Although hypertension is the most prevalent treatable vascular risk factor, how it causes end-organ damage and vascular events are poorly understood. Yet, a widespread belief exists that underlying usual blood pressure can alone account for all blood-pressure-related risk of vascular events and for the benefits of antihypertensive drugs, and […]