43 results
Myasthenia Gravis
Signs, Symptoms and Testing - Likelihood Ratios
Does this patient have myasthenia gravis?
JAMA. 2005 Apr 20;293(15):1906-14.
, Symptoms and Testing ... - Ice Test - ... Rest Test - Anticholinesterase ... Test - Quiver ... #PhysicalExam #Testing
Algorithm for the diagnosis of chronic diarrhea.
It is usually impractical to test and treat the many
impractical to test ... diarrhea before testing ... reduce unnecessary testing ... pick specific tests ... the much smaller differential
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Chronic Diarrhea - Workup
Osmotic:
 • Consider food diary and trial avoiding certain foods or meds, Consider
hydrogen breath test ... A/P, Consider testing ... celiac and/or testing ... TSH, Consider testing ... Workup #diagnosis #differential
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
liver function tests ... abnormal liver blood tests ... of liver blood tests ... decision for repeat testing ... Liver #Enzymes #Differential
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Insufficiency Differential ... , hypoglycemia Testing ... ACTH) stimulation test ... Insufficiency #Differential
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Hypertension - Differential ... and Screening Testing ... Renal ultrasound, Tests ... sodium loading test ... #Hypertension #Differential
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
- Generalized Differential ... Infestations (scabies, lice ... Liver Function Tests ... Hyperthyroidism CBC & Differential ... #dermatology #Differential
Diagnosis Adrenal Insufficiency - Algorithm

Step 1) Screening Test: 6-8AM Cortisol Level
 - Early morning cortisol levels
Step 1) Screening Test ... require Cosyntropin testing ... ) Confirmation Test ... This test determines ... Step 3) Differentiate
Diarrhea Workup and Management Algorithm in Transplant Patients
First Tier Microbiologic-Testing:
1. C. difficile PCR (Stool)
2. CMV qPCR
Microbiologic-Testing ... Microbiologic-Testing ... Breath test for ... overgrowth If above testing ... Transplant #diagnosis #differential
Diagnosing Brucellosis
Epidemiological Exposures
- Endemic Regions
- Clinical Micro Lab Technicians
- Animal/Vaccine Exposure: Vets, Slaughterhouse workers, hunters
- Unpasteurized
, soft cheese, ice ... Genitourinary Diagnostic Tests ... Criteria #Workup #Testing