2553 results
Causes of Urinary Tract Obstruction - Differential Diagnosis Algorithm
Upper Tract - Bladder NOT distended on ultrasound,
Obstruction - Differential ... Tract • BPH ... #UrinaryTract #Differential
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
of Polyuria - Differential ... volume): • UTI, BPH ... #Polyuria #Differential
Increased Urination - Differential Diagnosis Framework - Increased Volume / Frequency
 • Increased osmotic load (Increased
Increased Urination - Differential ... Bladder Voiding: BPH ... Increased #Urination #Differential
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
of Hematuria - Differential ... Neoplasm • BPH ... #Hematuria #Differential
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... catheterization • BPH ... #Hematuria #Differential
Prostate-Specific Antigen (PSA) Test

•	Total PSA (tPSA):
o	Measures overall PSA levels in the blood.
o	Used as the primary screening
volume o Helps differentiate ... BPH from cancer ... prostatecancer #BPH
Exogenous Testosterone Side Effects
 • Mood disorder, Depression, Aggression
 • ↑ Erythropoiesis
 • Hypogonadism +/-BPH, prostate
Hypogonadism +/-BPH ... Hemostatic changes - BWH
Hypotension in Anesthesiology - Differential Diagnosis and Management 

Initial checklist: 
 - Verify BP (e.g. surgeon
Anesthesiology - Differential ... checklist: - Verify BP ... Mark Harris, MD MPH ... Anesthesiology #Differential
Oxygen-Hemoglobin Dissociation Curve

Left Shift (↓ O2 unloading to tissue), Left = Lower:
 • ↓ H+ (↑
Lower: • ↓ H+ (↑ pH ... PCO2 • ↓ 2,3-BPG ... Exercise • ↑ 2,3-BPG
Intrapartum Abnormal Fetal HR Tracing - Causes of Bradycardia and Tachycardia - Differential Diagnosis Algorithm
Abnormal Variability:
Tachycardia - Differential ... Variability (< 5 bpm ... Variability (> 25 bpm ... FetalHeartRate #Tracing #Differential