18 results
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
- Differential Diagnosis ... abdominal CT, Bilateral ... conditions (supine position ... • Cushing’s syndrome ... #Differential #Diagnosis
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... "waiter's tip" position ... Wrist drop - Occurs ... Dermatomes #Myotomes #diagnosis ... sensory #motor #arm #physicalexam
Romberg's Test for Proprioception
History: First described in the 19th century in patients with tabes dorsalis (later
tabes dorsalis (later ... syphilis) Meaning: Positive ... Observe when patient closes ... #neurology #diagnosis ... proprioception #physicalexam
Rhombencephalitis
BACTERIAL
- Listeria (biphasic illness with bulbar dysfunction occurring later)
- Mycobacterium tuberculosis
- Pneumococcus
- Brucella
- Borrelia (Lyme Disease)
-
dysfunction occurring later ... (bulbar symptoms ... Miller-Fisher GBS; Positive ... #Differential #Diagnosis ... #Causes #Neurology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
spine L1-L5 Symptoms ... - Emergency Causes ... • Provocative Tests ... absent anal wink test ... #causes #neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... • Locked-in syndrome ... previous gaze position ... Casey Albin MD @ ... caseyalbin #PhysicalExam
Adrenal Insufficiency - Diagnosis and Management Summary
Primary Adrenal Insufficiency:
Most Common Cause in the US: Autoimmune Adrenalitis
Other
point inhibitors, bilateral ... ketoconazole, etomidate) Symptoms ... hypophysitis, Sheehan's syndrome ... A STIM test can ... ACTH STIM TEST:
Platypnea-Orthodeoxia Syndrome on Physical Exam
The case of a patient with a diagnosis of cirrhosis and platypnea-orthodeoxia
Physical Exam The case ... patient with a diagnosis ... Symptoms occur when ... in the supine position ... #PhysicalExam #
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
with vascular causes ... direction-changing on lateral ... Central #Vertigo #diagnosis ... findings #signs #symptoms ... #comparison #neurology
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
Hepatopulmonary Syndrome ... lung disease Caused ... 10 minutes of rest ... resolution of symptoms ... hepatopulmonary #syndrome