And not one of the soldiers ' heart rates rose above seventy-five.
1
I have an irritableheart, and digitalis helps it.
2
It will rarely slow a rapid heart; it will often stimulate a sluggish, slow heart; it may increase the irritability of an irritableheart.
1
Pots is a disorder where orthostaticintolerance (OI) is the main symptom.
2
Whether myocardial contractile impairment contributes to orthostaticintolerance (OI) is controversial.
3
Postural tachycardia syndrome (POTS) is a form of dysautonomia which presents with complex symptoms including orthostaticintolerance.
4
Diagnosis of POTS was based on chronic day-to-day orthostaticintolerance symptoms as well as excessive tachycardia during the TTT.
5
Recent studies have suggested that microgravity-induced arterial remodelling contributes to post-flight orthostaticintolerance and that multiple mechanisms are involved in arterial remodelling.