2266 results
Causes of Secondary Amenorrhea - Differential Diagnosis
 • Pregnancy
 • Endocrinopathies: PCOS, Hypothyroidism
 • HPA Dysfunction:
Secondary Amenorrhea - Differential ... Post-pill amenorrhea, Dopamine ... Secondary #Amenorrhea #Differential
Breast Discharge - Differential Diagnosis Algorithm
High Prolactin + Normal TSH
 • Microprolactinoma
 • Steroid Hormone Intake
Breast Discharge - Differential ... Macroadenoma • Dopamine ... Breast #Discharge #Differential
Medications associated with neuroleptic malignant syndrome

First-generation and second-generation antipsychotics are dopamine receptor antagonists, which produce a
antipsychotics are dopamine ... #Diagnosis #Differential
Common Medications Known to Prolong QTc
Antiarrhythmics - Amiodarone, sotalol, flecainide, quinidine, dronedarone, dofetilide
Vasopressors/inotropes - Epinephrine, norepinephrine,
norepinephrine, dopamine ... Medications #Causes #differential
Bradycardia - Differential Diagnosis Framework and Management
Narrow Complex Bradycardia:
 • Regular: Sinus Bradycardia, AFib w/ AV
Bradycardia - Differential ... • Start dopamine ... #Bradycardia #Differential
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
Mydriasis and Miosis - Differential ... Antihistamines, Dopamine ... Mydriasis #Miosis #differential
Medical Conditions Causing Mania or Mania-Like Episodes: Pathogenesis
 • Bipolar Disorder -> Combination of individual, genetic,
catecholamine (including dopamine ... hormones Incresed Dopamine ... Secondary #Causes #Differential
Receptor actions of sympathomimetic and dopaminergic agents.
Adrenaline (epinephrine) 
Noradrenaline (norepinephrine) 
Isoprenaline 
Dopamine 
Dopexamine 
Dobutamine 

#Pharmacology #Vasopressors
Isoprenaline Dopamine ... Dopexamine ... #Specificity #Dopamine
Bradycardia
1) First Steps: IV, O2, Monitors, ECG, Pads on patient, Crash Cart in room. Is patient
20mcg/min IV • Dopamine ... bradycardia #diagnosis #differential
Hyperthermic Toxidromes
Five toxidromes may present with overlapping features: hyperthermia, rhabdomyolysis, altered mental status/seizures.
 • Sympathomimetic -
Ideosyncratic reaction to dopamine ... abrupt cessation of dopamine ... table #diagnosis #differential