47 results
Diabetic Retinopathy: Pathogenesis and clinical findings

Mild Non-proliferative DR
 • Outpouchings of the weakened capillary walls or
re-vascularize the ischemic ... significant retinal ischemia ... Localized retinal ischemia ... causes upregulation ... #pathophysiology
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
fluffy white ischemic ... Elschnig's Spots • Ischemia ... #ophthalmology ... #diagnosis #signs ... #symptoms #complications
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
Disease, PRES Pathophysiology ... autoantibodies that will cause ... ischemia and/or ... permeability Diagnosis ... cyclophosphamide • Ischemic
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA)

1) Is visual loss caused
Anterior ischemic ... Definition: acute ischemic ... Doppler US : halo sign ... #Rheumatology #Ophthalmology ... #Diagnosis #Algorithm
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
Intraoperative Cardiac Ischaemia ... of cardiac ischaemia ... factors for cardiac ischaemia ... possible. ❺ If ischaemia ... #Cardiac #Ischemia
Anaphylaxis: Signs and Symptoms
Anaphylaxis: when any egg of three conditions is met:
1. Acute onset of skin/mucosal
Signs / Symptoms ... e.g. arrythmias, ischemia ... #Anaphylaxis #pathophysiology ... #immunology #diagnosis ... #signs #symptoms
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
• Neurologic symptoms ... Cannot Abduct • Ischemia ... unreactive pupil • Ischemia ... looking medially • Ischemia ... #Ophthalmology
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Causes of Dizziness ... - Differential Diagnosis ... vomiting, auditory symptoms ... /signs, bidirectional ... • Transient Ischemic
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Leukostasis: • Pathophysiology ... high WBC count cause ... AKI, acute limb ischemia ... WBC >100k, + lab signs ... Syndrome #TLS #diagnosis
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
from Myocardial Ischemia ... from myocardial ischemia ... #Signs #Presentation ... #comparison #Table ... #Diagnosis