17 results
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... #Diagnosis #PhysicalExam ... #Neurology #AVS ... VestibularSyndrome #Posterior #CVA ... #Testing #HIT #HINTS
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
HINTS Exam - Distinguishing ... Central from Peripheral ... following a finger) • Test ... #Vertigo #diagnosis ... #neurology #bppv
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
- Differential Diagnosis ... Algorithm Transcellular ... Shift: • Alkalosis ... vomiting) • Low ... #Algorithm #nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
- Differential Diagnosis ... Algorithm Once ... filling of bucket (low ... (transcellular shift ... #workup #nephrology
Diagnostic algorithm for differentiating vestibular neuritis from stroke in patients with AVS. This sequence of testing
Diagnostic algorithm ... components: targeted neurologic ... algorithm because ... if the cause is peripheral ... #Posterior #CVA
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
intake, Gl loss, shift ... Hypomagnesemia #algorithm ... #differential #diagnosis ... #causes #nephrology ... #magnesium #low
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... Dizziness and Vertigo Peripheral ... Dizziness #Vertigo #Algorithm ... #differential #diagnosis ... #neurology
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
- Differential Diagnosis ... Algorithm Appropriately ... Low Kidney Phosphate ... Transcellular Shift ... #Algorithm #nephrology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
- Differential Diagnosis ... Transcellular Shift ... • Normal or Low ... Fanconi syndrome, CA ... Workup #phosphate #nephrology
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Algorithm for patients ... creatinine) • Cell shift ... EABV, Low Plasma ... #differential #algorithm ... #diagnosis #nephrology