4 results
Emergent Causes of Headache and Associated Risk Factors
Carbon monoxide poisoning
 - Breathing in enclosed or confined
Emergent Causes ... with the same symptoms ... collagen vascular diseases ... - Hypertension—severe ... #differential #emergency
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
An acute rise or ... with previously stable ... values. 3. ... disturbance, or acute ... Renal parenchymal disease
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
Shock, Autoimmune disease ... /Hypertensive emergency ... Neurological symptoms ... : Acute onset 2 ... the underlying cause
Headaches Overview - Primary vs Secondary Headaches

What’s the Core Difference?
 • Primary headache = headache is
headache is the disease ... headache is a symptom ... : • SAH (Thunderclap ... ESR ↑) • HTN emergency ... Primary #Secondary #Comparison