13 results
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... #PhysicalExam #Neurology ... VestibularSyndrome #Posterior ... #CVA #Peripheral ... #Testing #HIT #
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
Gastrointestinal Evaluation ... • Additional laboratory ... Non-invasive testing ... Gastrointestinal #Evaluation ... #workup #diagnosis
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential ... Diagnosis and Workup ... smear, HIV/HCV testing ... (CVID, WAS), (neurologic ... - Bone marrow evaluation
Diarrhea Workup and Management Algorithm in Transplant Patients
First Tier Microbiologic-Testing:
1. C. difficile PCR (Stool)
2. CMV qPCR
Diarrhea Workup ... Ova and Parasite ... evaluation (stool ... Breath test for ... Transplant #diagnosis #differential
Major neurocognitive disorders (MNCD): Diagnosis and workup 

1) Clinical diagnosis Cognitive impairment + loss of autonomy
2)
neurocognitive disorders ... deficiency, ... laboratory ... tests + imaging ... Loss of bladder control ... MNCD #Dementia #Differential
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... more time for the laboratory ... metabolic or endocrine disorders ... Rheumatoid #Arthritis #laboratory ... #workup #diagnosis
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
origin of the disorder ... Insufficiency #Evaluation ... #laboratory #diagnosis ... #testing #endocrinology ... #workup
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Peripheral and Central ... CENTRAL VERTIGO ... Vascular disorders ... Occlusion of posterior ... Vertigo #Causes #differential
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
Hearing Loss - Differential ... The evaluation should ... include a: • Neurologic ... Mitochondrial disorders ... trauma ○ MS, CVA
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
may precede the neurologic ... narrowing on MRA/CTA ... Reversible course Differential ... thrombosis Testing ... diagnosis #management #neurology