Rigor may be late: Rigor early and well Rigor not always well
after exudation has marked, before marked
commenced exudation
Sets in slowly or with Sets in slowly, cough, Profound nervous
acute congestion; dulness, impaired prostration like
appetite and pulse appetite, pulse opium poisoning,
vary with rapid, prostration appearing early and
inflammation slight suddenly
Nasal discharge, watery Nasal discharge, yellow Nasal discharge,
or rusty, later watery, may become
muco-purulent yellow
Eye pink, dark red Eye yellow, rarely Eyelids bloodshot (pink
swollen or watery eye), violet, madder
hue, swollen, watery,
closed
Temperature rises with Temperature rises early Temperature rises early
inflammation and extremely, before and extremely, in
exudation, 104°–107° some hours, 104°–107°
Swelling of limbs rare Limbs swell rarely Limbs often swell
greatly
Rheumatoid arthritis Rheumatoid arthritis
may follow may set in; often in
advanced stage
Crepitation more Crepitation less Crepitation may escape
constant around the constant around the recognition
exudation exudation
Exudation Exudate affects lower Exudate less granular
(Hepatization) in or anterior border of than in pneumonia;
lung, lower, lung; often in small forms in or
posterior, anterior, isolated areas or gravitates to lower
or central, usually around bronchia; less part of lung.
undivided area blood engorgement Congestion passive
than in fibrinous
pneumonia
If pleurisy effusion Pleural effusion Pleural effusion
may be copious infrequent, or frequent and abundant
limited, though
pleurisy is common