MORBID A NA TOM Y—S YMPTOMA TO LOG Y 



1455 



are very congested, and the nerve cells show coagulative necrosis 

 and disappearance of the Nissl bodies, together with a swollen and 

 chromatolytic condition of the nucleus, though the nucleolus may 

 remain apparently intact. 



The cerebro-spinal fluid is clear and colourless, and usually in- 

 creased in amount. McKenzie and Le Count have shown a higher 

 water content for the brain. 



The organs of the body are in general congested, but especially 

 the lungs, which appear almost black. Some observers have re- 

 corded enlargement of the spleen. In our experience there may 

 be enlargement of the spleen, but it has nothing to do with heat 



Fig. 674. — ■Temperature Chart of a Case of Heat Stroke in a Stoker 



WHILE working IN THE ENGINE RoOM OF A StEAMER IN COLOMBO 



Harbour. 



Temperature 103° F. three hours after the onset. 



stroke. The heart is often in a state of marked rigor mortis, and 

 there may be cloudy swelling of the myocardium, as well as in the 

 kidneys and liver. Petechial haemorrhages may be found in the 

 organs and the skin. 



Symptomatology— Pfo^^Vomra:/^?:. — Sometimes the symptoms come 

 on suddenly, but more frequently there are prodromata. The 

 patient often complains of feehng out of sorts and weak, especially 

 in the legs, together with headache and drowsiness, and sometimes 

 of nausea. Longmore lays stress on a frequent desire to micturate as 

 a prodromal sign of importance, because, as mentioned by Simpson, 



