37 results
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup and Diagnosis ... proteinuria, RBC casts ... → Refer to Nephrology ... cystoscopy • Refer ... cause not identified
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... non-infectious) - Dr ... #Urine #Microscopy ... #nephrology #interpretation ... #diagnosis
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
PROBLEM ~80% of AKI cases ... are caused by prerenal ... IMPROVEMENT If the urine ... for WBCs, RBCs, casts ... #nephrology
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
Urinary Casts and ... and concentrated urine ... breakdown of cellular casts ... heme-granular casts ... 34t5DgJ #Urinary #Casts
Glomerular Diseases - Nephritic and Nephrotic Syndromes

Nephritic syndrome—due to GBM disruption. 
Hypertension. t BUN and creatinine.
Nephritic syndrome—due ... RBC casts in urine ... but in severe cases ... #Proteinuria #Nephrology ... #Diagnosis
Causes of Chronic Kidney Disease - Differential Diagnosis Algorithm
Decreased kidney function (eGFR < 60 ml/min/1.73 m2)
- Differential Diagnosis ... least 3 months Pre-Renal ... hydronephrosis on U/S) • Reflux ... Sterile pyuria, WBC casts ... KidneyDisease #Nephrology
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
the pupillary reflex ... very sensitive diagnostic ... regarding the cause ... Dr. ... Pupillary #Defect #Neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... • Vestibulo-ocular ... Casey Albin MD @ ... #PhysicalExam #neurology ... #comatose #diagnosis
Urine Microscopy Instructions
1) Spin fresh urine sample (10-15mL) in a centrifuge for 3-5 minutes - Don't
Urine Microscopy ... under lower power (casts ... If findings are ... #Instructions #nephrology ... #diagnosis
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... PLT in selected cases ... K), H. pylori test ... (CVID, WAS), (neurologic ... on the smear Dr