134 results
Pathological Optic Disc Cupping

Note cup-to-disc ratio at least 0.8 (physiologic limit of 0.5).

Thinning of optic disc
Pathological Optic Disc ... Note cup-to-disc ... Thinning of optic disc ... so that optic disc ... Glaucoma causes
Common causes of sciatica. Disc herniation is the commonest cause. Spondylolisthesis can cause impingement #Anatomy #Pathophys
Common causes of ... Disc herniation ... the commonest cause ... Spondylolisthesis can cause
Algorithm for Diagnosis of the Petechial / Purpuric Rash

Febrile/Toxic, Palpable: 
 - Meningococcaemia, Disseminated Gonococcal Infection,
Algorithm for Diagnosis ... Purpura Fulminans, DIC ... Purpura #Rash #Algorithm ... #Dermatology #Skin
Algorithm for Diagnosis of the Vesiculobullous Rash

Febrile, Diffuse Distribution:
 - Varicella,  Smallpox,  Disseminated, Gonococcal,
Algorithm for Diagnosis ... Purpura Fulminans, DIC ... Vesicular #Rash #Algorithm ... #Dermatology #Skin
Causes of Peripheral Weakness with Sensory Changes - Differential Diagnosis Algorithm
Radiculopathy:
 • Disc
 • Spondylosis
 •
Causes of Peripheral ... Differential Diagnosis Algorithm ... Radiculopathy: • Disc ... Differential #Diagnosis #Algorithm ... #Causes
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... Differential Diagnosis Algorithm ... • TTP/HUS • DIC ... Differential #Diagnosis #Algorithm ... #Causes #Hematology
Causes of Arterial and Venous Thrombosis - Differential Diagnosis Framework

STRUCTURAL:
 - PFO: paradoxical emboli
 - Popliteal
Causes of Arterial ... artery aneurysm: Causes ... intravascular coagulation (DIC ... MAHA: TTP, HUS, DIC
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
hyalinization causes ... Ischemia of optic disc ... swelling and blurred disc ... Leakage of optic disc ... hemorrhage and disc
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
purple, hemorrhagic skin ... • Secondary Causes ... marrow disease - DIC ... Coagulation Defects: • DIC ... Purpura Fulminans (DIC
Causes of Adrenal Insufficiency - Differential Diagnosis Algorithm
ACTH-Dependent (Secondary):
 • Pituitary Dysfunction
 • Hypothalamic Dysfunction
ACTH-Independent (Primary):
Causes of Adrenal ... Differential Diagnosis Algorithm ... vein thrombosis), DIC ... Differential #Diagnosis #Algorithm ... #Causes #endocrinology