79 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... family history - Medications ... Risks factor for HIV ... decreased PLT count: CBC ... peripheral blood smear, HIV
Causes of Anterior Uveitis - Differential Diagnosis
Anterior Uveitis - 90% of cases of Uveitis
 • Inflammation
Causes of Anterior ... Posner-Schlossman Syndrome ... Behcet's, SLE, TINU syndrome ... involvement) • Medication ... B27-related syndrome
Microbial Etiology of Acute Pharyngitis - IDSA
Bacterial
 • Group A streptococcus - Pharyngotonsillitis, scarlet fever
 •
Pharyngitis - IDSA ... necrophorum - Lemierre’s syndrome ... Primary acute HIV ... #Pharyngitis #IDSA ... #differential #causes
Causes of Adrenal Insufficiency - Differential Diagnosis Algorithm
Autoimmune:
 • Isolated
 • Polyglandular autoimmune syndrome 1
 •
Causes of Adrenal ... Polyglandular autoimmune syndrome ... Polyglandular autoimrnune syndrome ... • Fungal • HIV ... Radiation • Medication
Medications that Can Cause False Positives on Drug Tests

Urine drug screens (UDSs) are simple to use,
Can Cause False ... can cause false ... • Cannabidiol (CBD ... food products • HIV ... Protonix), may cause
Causes of Adrenal Insufficiency - Differential Diagnosis Algorithm
ACTH-Dependent (Secondary):
 • Pituitary Dysfunction
 • Hypothalamic Dysfunction
ACTH-Independent (Primary):
Causes of Adrenal ... Polyglandular Autoimmune Syndrome ... Disseminated Fungal, HIV ... Surgery, Radiation, Medication ... Diagnosis #Algorithm #Causes
Possible Causes of Altered Urine Color 

Red 
    Foods: beets, blackberries, rhubarb
Possible Causes ... indomethacin, IV ... cimetidine, IV ... tyrosinemia, Gilbert syndrome ... (Purple Urine Syndrome
Priapism 

Secondary Causes:
Medications- intracavernosal injections, anticoagulants, PDE5 inhibitors, alpha blockers, methylphenidate, cocaine
Any hyperviscosity syndrome (SCD, leukemia,
Secondary Causes ... : Medications- ... hyperviscosity syndrome ... Priapism #Diagnosis #Management
Etiologies of Peripheral Neuropathy
 • Metabolic / Nutritional: DiabetesB12 deficiency, Uremia/ESRD, Hypothyroidism
 • Medication-induced: ART, Antibiotics,
Hypothyroidism • Medication-induced ... • Infectious: HIV ... Paraprotein-associated (POEMS syndrome ... differential #diagnosis #causes
Algorithm for the Evaluation of Chronic Diarrhea (< 7 days)
Exclude:
1. Causes of acute diarrhea
2. Lactose intolerance
3.
Causes of acute ... Irritable bowel syndrome ... Medications 7. ... Malabsorption syndromes ... Chronic #Diarrhea #management