30 results
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
negative (normal ... #Diagnosis #PhysicalExam ... #Neurology #AVS ... VestibularSyndrome #Posterior ... #HeadImpulse #Testing
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - ... Guillain-Barré syndrome ... Hyperreflexia #Testing ... #diagnosis #table ... #neurology
Peripheral Vertigo
Time course and symptoms characteristics are very helpful in distinguishing between causes of peripheral vertigo.
Benign
Peripheral Vertigo ... distinguishing between causes ... of peripheral vertigo ... #differential #diagnosis ... #comparison #table
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
with vascular causes ... , such as with posterior ... Central #Vertigo #diagnosis ... signs #symptoms #comparison ... #neurology
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
- Differential Diagnosis ... present on repeat testing ... including overnight testing ... Tubular Proteinuria (Negative ... • Fanconi's syndrome
Differentiation Between Nephrotic Syndrome and Nephritic Syndrome 
== Nephrotic Syndrome ==
Onset - Insidious 
Edema - ++++
Blood
Red blood cell casts ... Red blood cell casts ... #Nephritic #Comparison ... #Table #Nephrology ... #Diagnosis
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
and Workup History ... plateletcount), peripheral ... smear, HIV/HCV testing ... (CVID, WAS), (neurologic ... #Causes #Workup
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Familial renal Mg wasting ... #Differential #Diagnosis ... Low #Magnesium #Table ... Classification #Causes ... #Workup #hypomg
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Hematuria, Hemoptysis, Peripheral ... Differential Diagnosis ... polyangiitis) - ANCA-negative ... Disease-specific testing ... #nephrology
A toxidrome is a syndrome (set of symptoms) caused by specific medications or toxins.

There are 5
toxidrome is a syndrome ... set of symptoms) caused ... antihistamines #Diagnosis ... Toxicology #Toxidromes #Comparison ... #Table #Anticholinergics