26 results
Hypophosphatemia Diagnostic Algorithm
- GI Losses
- Redistribution
- 1° HPT
- 1° Renal PO4 wasting: Hereditary, TIO, Fanconi Syndrome,
Hypophosphatemia Diagnostic ... - 1° Renal PO4 wasting ... by Dr Zalman Agus ... Hypophosphatemia #phosphorus #low ... #differential #nephrology
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
negative if on low-gluten ... negative predictive value ... Reflects response to treatment ... Celiac #Disease #Testing ... #Workup #Table
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
Tuberculosis Testing ... TB • LTBI is diagnosed ... QFT) • 5 y/o + low ... positive predictive value ... #Diagnosis #Workup
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Familial renal Mg wasting ... #Differential #Diagnosis ... #Low #Magnesium ... #Table #Classification ... #Causes #Workup
Diagnosis of Myasthenia Gravis - Physical Exam Maneuvers
 • Sustained lateral gaze for seconds to elicit
Diagnosis of Myasthenia ... droop (Hering's law ... ) • Testing eyelid ... Myasthenia #Gravis #PhysicalExam ... #neurology
Approach to Undifferentiated Shock - OnePager Summary
Shock occurs when there is inadequate blood flow (CO) &
essential to determine treatment ... myocarditis, etc), Valves ... Renal Losses(salt-wasting ... diuresis, diuretics), Low ... Undifferentiated #Shock #diagnosis
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
can be high or low ... Cerebral Salt Wasting ... #differential #diagnosis ... #table #sodium ... #nephrology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
• Immunologic Workup ... in >90% - Low ... 60-80% - Low ... sle #comparison #table ... #rheumatology #diagnosis
Dysphagia - Differential Diagnosis Framework

Symptom | Diagnosis
• Solid-food dysphagia present for months to years | Mechanical
region • Bolus slow ... disorder URGENT WORKUP ... Esophageal Dysphagia: Testing ... disorder → EGD Treatment ... gastroenterology #workup
Recommended initial testing for patients being evaluated for glomerular disease 

24-hour urine collection - Quantify proteinuria.
Recommended initial testing ... in monitoring low-level ... #glomerular #testing ... #workup #diagnosis ... nephrotic #nephritic #nephrology