92 results
Cushing's Reflex - Pathophysiology
HYPERTENSION with a reflex BRADYCARDIA
 → ↑ ICP 
 → ↓ CBF
 →
Cushing's Reflex ... - Pathophysiology ... HYPERTENSION with a reflex ... #Pathophysiology ... #neurology #nsg
Bell's palsy
There are many different causes of Facial Nerve Palsy. However, the commonest
cause of unilateral facial
many different causes ... the commonest cause ... Loss of Corneal Reflex ... #Bells #Palsy #Neurology
Orbicularis Reflex in an Alzheimer's Patient on Physical Exam

Alzheimer's is a degenerative, progressive and irreversible disease.
Orbicularis Reflex ... time, and can cause ... delusions and, in some cases ... the orbicular reflex ... clinical #video #neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
• Mutism Pathophysiology ... • Gag reflex ... • Cough reflex ... Casey Albin MD @ ... #PhysicalExam #neurology
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - ... Causes of Hyporeflexia ... Deep coma (any cause ... Hyperreflexia #Testing #Causes ... diagnosis #table #neurology
Management of SIADH
Treat underlying cause:
 • Causes can include pain, primary lung pathology, post-operative phenomenon, medications,
Treat underlying cause ... : • Causes can ... volume overload Urea ... into ammonium by urease-producing ... #hyponatremia #nephrology
Schematic representation of the major sources of ammonia production and its excretory pathway (GI = gastrointestinal,
although hepatic causes ... namely, the many causes ... - Inherited Urea ... of ammonia: - Urease ... deficiency #Ammonia #Pathophysiology
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
hyalinization causes ... diffuse light reflex ... white or yellow areas ... around atrophic areas ... #Retinopathy #pathophysiology
Lower Urinary Tract Infections: Complications
 - Infection damages the urinary tract epithelium causing fibroblast proliferation and
Prostatitis - Urease-producing ... Klebsiella) degrade urea ... which may cause ... UrinaryTractInfection #LUTI #Pathophysiology
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
proteinuria, RBC casts ... → Refer to Nephrology ... cystoscopy • Refer ... to Nephrology if ... cause not identified