13 results
Algorithm for the diagnosis of chronic diarrhea.
It is usually impractical to test and treat the many
Algorithm for the ... impractical to test ... many possible causes ... pick specific tests ... the much smaller differential
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Insufficiency Differential ... Diagnosis Algorithm ... Weakness, fatigue, nausea ... , hypoglycemia Testing ... ACTH) stimulation test
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Definition: Diffuse ... Cough, Dyspnea, Fever ... symptomatology Differential ... Disease-specific testing ... , biopsy By Tess
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
run-down or tired • Fevers ... adults • Blood tests ... Bronchoscopy Laboratory ... Sweat chloride test ... Bronchiectasis #pulmonary #differential
Causes of Tremors - Movement Disorders - Differential Diagnosis Algorithm
Action Tremor - Occurs During Voluntary Muscle
Causes of Tremors ... Diagnosis Algorithm ... multiple sclerosis) Resting ... Tremor - Occurs at Rest ... #Causes
Fever After International Travel

Infectious Disease:
• Endemic in either the destination or home region

Viral Syndromes:
Arboviral infections, a
studies, including tests ... rapid diagnostic tests ... polymerase-chain-reaction (PCR) testing ... and possibly PCR testing ... #Travel #Differential
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Allopecia - Differential ... Traction alopecia Diffuse ... disease • Pull test ... fungi Initial Laboratory ... Tests: • TSH
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... Diagnosis Algorithm ... Red Flags: • Fever ... Fecal occult blood test
Causes of Inaccurate Fecal Occult Blood Test Results 

False Positive gFOBT:
Ingestion of nonhuman heme (eg, meat
Causes of Inaccurate ... Fecal Occult Blood Test ... #OccultBlood #Testing ... #Laboratory #FalsePositive ... FalseNegative #Diagnosis #Differential
1,3-Beta-D-Glucan and Galactomannan Testing Sensitivity Specificity and False Positives
1,3-Beta-D-Glucan
 • Cell wall component of many fungi
Galactomannan Testing ... the use of this test ... in BAL does not differentiate ... post-2010 almost never ... FalsePositives #Laboratory