- Increased
- Acute MI, Cardiac Surgery, Prosthetic valve;
- Hepatitis
- Pernicious Anemia
- Malignant Tumor
- PE
- Hemolysis (Anemia - factitious)
- Renal infarction
- Muscle Injury;
- LDH IsoEnzymes (LDH 1-5);
- Normally ratio LDH 1/LDH 2 = 0.6-0.7;
- If the ratio becomes >1, suspect a recent MI; w/ Acute MI,
- LDH will begin to rise at 12-48hrs, peak at 3-6 days, & retur. to normal at 8-14 days; LDH 5 > LDH 4 in Liver dz