27 results
Hypophosphatemia Diagnostic Algorithm
- GI Losses
- Redistribution
- 1° HPT
- 1° Renal PO4 wasting: Hereditary, TIO, Fanconi Syndrome,
- 1° Renal PO4 wasting ... by Dr Zalman Agus ... Hypophosphatemia #phosphorus #low ... #differential # ... nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
- Differential ... Diagnosis Algorithm ... filling of bucket (low ... #Causes #workup ... #nephrology
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - ... Hyperreflexia #Testing ... #Causes #differential ... #diagnosis #table ... #neurology
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Hypomagnesemia #Differential ... #Diagnosis #Low ... #Magnesium #Table ... Classification #Causes ... #Workup #hypomg
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Diagnosis Poor ... type 4) - Salt wasting ... #Diagnosis #Low ... #Potassium #Table ... Classification #Causes
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Diagnosis and Screening ... Testing Common ... #Diagnosis #Causes ... #Screening #Workup ... #table
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
value for this ... If the value is ... low, tests to detect ... WBC count and differential ... #Workup #Hematology
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
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
from other causes ... #Hypokalemia #diagnosis ... #Algorithm #differential ... #potassium #nephrology ... #low
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
Commonly Used Diagnostic ... negative if on low-gluten ... negative predictive value ... Celiac #Disease #Testing ... #Workup #Table