2 results
Common sodium channel blockers which cause QRS widening.

Anticonvulsants: 
 - Carbamazepine 
Antidysrhythmics:  
 - Group
blockers which cause ... - Cocaine Opioids ... #Medications #Toxicology ... #Diagnosis #Differential ... #Drugs #Classes
Medications that Can Cause False Positives on Drug Tests

Urine drug screens (UDSs) are simple to use,
efavirenz (Sustiva) • Pain ... • Verapamil Opioids ... and opiates false ... #tests #differential ... #diagnosis #toxicology