Table 1.

Major cardiac histopathology findings in methamphetamine poisoning-related death cases (n = 100) by light microscopy

Cardiac pathology feature	Frequency (%)
Mild atherosclerosis	22
Moderate to severe atherosclerosis	17
Congestion	22
Microscopic hemorrhage	7
Myocardial fiber hypertrophy	24
Perivascular fibrosis	9
Focal degeneration/necrosis	13
Myocardial ischemia	8
Acute myocardial infarction	3
Old subendocardial myocardial infarction	2
Mural thrombosis	1
Endocarditis	1
Pericarditis	4
None	32