2849 results
Causes of Secondary Amenorrhea - Differential Diagnosis
 • Pregnancy
 • Endocrinopathies: PCOS, Hypothyroidism
 • HPA Dysfunction:
Causes of Secondary ... Post-pill amenorrhea, Dopamine ... Differential #Diagnosis #Causes
Medications associated with neuroleptic malignant syndrome

First-generation and second-generation antipsychotics are dopamine receptor antagonists, which produce a
antipsychotics are dopamine ... Medications #Drugs #Causes
Breast Discharge - Differential Diagnosis Algorithm
High Prolactin + Normal TSH
 • Microprolactinoma
 • Steroid Hormone Intake
Macroadenoma • Dopamine ... Endocrinology #Causes
Schizophrenia: Pathogenesis and Symptoms
Increased dopaminergic transmission in mesolimbic projection
-> Dopaminergic neurons here project into the limbic
. -> Abnormal dopamine ... is thought to cause ... ) -> Abnormal dopamine ... is thought to cause
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
Diagnosis Framework Causes ... Antihistamines, Dopamine ... Hypothermia Causes ... ophthalmology #causes
Common Medications Known to Prolong QTc
Antiarrhythmics - Amiodarone, sotalol, flecainide, quinidine, dronedarone, dofetilide
Vasopressors/inotropes - Epinephrine, norepinephrine,
norepinephrine, dopamine ... #Medications #Causes
Pathogenesis of Rheumatic Fever

Pathogenesis of rheumatic fever. 
1. GAS pharyngitis leads to antigenic presentation of pathogenic
antibodies which can cause ... autoantibodies can target dopamine ... increased release of dopamine
Medical Conditions Causing Mania or Mania-Like Episodes: Pathogenesis
 • Bipolar Disorder -> Combination of individual, genetic,
catecholamine (including dopamine ... hormones Incresed Dopamine ... Manic #Secondary #Causes
Vasopressors and Inotropes - Pharmacology Summary
Vasopressors
Phenylephrine (alpha-1)
 • Increases BP, SVR
 • Risk of reflex bradycardia
• Higher doses cause ... effect at kidney Dopamine ... cAMP/cGMP • Causes
Causes of Primary and Functional Mitral Regurgitation (MR) 
Causes of primary mitral regurgitation
 - Rheumatic heart
Causes of Primary ... Regurgitation (MR) Causes ... disease: Most common cause ... tumors: Most common cause ... Anorectic drugs, dopamine