Relative Bradycardia

Synonyms: Faget sign, Sphygmo-thermic dissociation, Sphygmo-thermal dissociation Definition of Relative Bradycardia Physiologically, for each 1 °F rise in body temperature, there is a commensurate increase in the heart rate of 10 beats/min . When temperature elevations are not accompanied by a physiologic increase in the… Read More

Rickettsial Diseases Made Easy

Important features of Rickettsia and Rickettsial Diseases Obligate intracellular parasites like Chlamydia – can survive only in host cells Cannot produce their own ATP, so they utilize the ATP of a host cell Gram negative coccobacillia, and short bacilli that grow strictly in eukaryotic cells… Read More