18 results
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
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
Diagnosis of Myasthenia Gravis - Physical Exam Maneuvers
 • Sustained lateral gaze for seconds to elicit
Diagnosis of Myasthenia ... ptotic eyelid will cause ... droop (Hering's law ... Myasthenia #Gravis #PhysicalExam ... #neurology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
• Immunologic Workup ... in >90% - Low ... Discontinuation of causal ... sle #comparison #table ... #rheumatology #diagnosis
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
Hyponatremia - Diagnosis ... Hyponatremia is usually caused ... 3 questions to work ... up to 3x in the setting ... #nephrology #sodium
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... Cerebral Salt Wasting ... #differential #diagnosis ... #table #sodium ... #nephrology
Dysphagia - Differential Diagnosis Framework

Symptom | Diagnosis
• Solid-food dysphagia present for months to years | Mechanical
region • Bolus slow ... disorder URGENT WORKUP ... disorder → EGD Treatment ... the underlying cause ... 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 ... infections are common causes ... #workup #diagnosis ... nephrotic #nephritic #nephrology
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
reabsorption) Workup ... only if no clear cause ... Elimination (see Table ... acidosis) • Low ... #potassium #nephrology
Horner's Syndrome on Physical Exam

A 75yoF was referred in for facial swelling and eyelid changes 1
consistent with a diagnosis ... experience, the cause ... or induced by treatment ... video highlights how ... ophthalmology #physicalexam