13 results
Urine Drug Screens - Common drugs that may cause false positive tests 

Amphetamines:
Bupropion, Labetalol, Methylphenidate, Phenylephrine,
Urine Drug Screens ... - Common drugs ... may cause false positive ... UDS #Laboratory #Toxicology ... #Diagnosis #FalsePositive
Medications that Can Cause False Positives on Drug Tests

Urine drug screens (UDSs) are simple to use,
on Drug Tests ... Urine drug screens ... Opioids and opiates ... #drug #tests #differential ... #diagnosis #toxicology
False Positive Urine Drug Screens
Amphetamines - Amantadine, brompheniramine. bupropion, chlorpromazine, desipramine, ephedrine, isometheptene, isoxsuprine, labetalol, phentermine,
False Positive Urine ... thioridazine, verapamil Opiates ... #UDS #Urine #Drug ... #Screening #diagnosis ... #toxicology
Common sodium channel blockers which cause QRS widening.

Anticonvulsants: 
 - Carbamazepine 
Antidysrhythmics:  
 - Group
Antimalarial drugs ... widening #ECG #EKG #Pharmacology ... #Medications #Toxicology ... #Diagnosis #Differential ... #Drugs #Classes
Potassium Channel Blockers - Medications
1. Cardiovascular Drugs
2. Psychiatric drugs
3. Other drugs
4. Synthetic opioids: Levomethadyl 
5. Opium
Psychiatric drugs ... Other drugs 4. ... #Medications #Differential ... #Diagnosis #Pharmacology ... #Toxicology
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Proteinuria - Differential ... Diagnosis Algorithm ... syndrome • Drugs ... Glomerular Proteinuria (Positive ... #Diagnosis #Algorithm
Medications causing Acute Kidney Injury (AKI)
Prerenal:
 • Dehydration: Diuretics
 • Altered intrarenal autoregulation: ACEIs / ARBs,
sphincter tone: • Opiates ... decongestants) • Any drug ... #Medications #Drugs ... #pharmacology # ... differential #diagnosis
Agents Causing Potential False-Positive Results With Urine Drug Screening 

#Urine #DrugScreens #UDS #Laboratory #Toxicology #Diagnosis #FalsePositive
Potential False-Positive ... Results With Urine ... Drug Screening ... UDS #Laboratory #Toxicology ... #Diagnosis #FalsePositive
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
of Hematuria - Differential ... Diagnosis Algorithm ... blood cells on urine ... exclude false positives ... myoglobinuria, beet, drugs
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Hypertension - Differential ... Diagnosis and Screening ... test (with 24-h urine ... conditions (supine position ... #Diagnosis #Causes