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Traditionally, congestive heart failure has been classified according to severity of symptoms, first formulated by the
to severity of symptoms ... STAGES of CHF (A ... sometimes advanced treatment ... flare ups that cause ... III and class IV symptoms
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
Approach to Headaches ... Altered mental status ... ) • Systemic symptoms ... ) • Temporal arteritis ... MatthewHoMD #Headache
Medication overuse headaches or rebound headaches are caused by regular, long-term use of medication to treat headaches, such as migraines.

Treatment of medication overuse
 are caused by regular ... Treatment of medication ... #diagnosis #causes ... #symptoms #management ... #treatment
In order to better classify heart failure, the American College of Cardiology Foundation and the American
based solely on symptoms ... With treatment, ... who never show symptoms ... past or current symptoms ... #Classes #NYHA
STAGES of CHF (A, B, C, D), however, describe the severity of structural abnormalities that impair
STAGES of CHF (A ... sometimes advanced treatment ... flare ups that cause ... III and class IV symptoms ... Treatments may include
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
Signs and Symptoms ... Nonfocal mental status ... poisoning • Mental status ... arteries - Temporal arteritis ... #signs #symptoms
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... without an obvious cause ... 24% always had headache ... usually between ages ... Central #Vertigo #Causes
Stages of Migraine
 • Prodromal or Premonitory Phase (1-2 days): Fatigue, Yawning, Food cravings, Pallor, Nausea,
Stages of Migraine ... cravings, Pallor, Nausea ... Brainstem → • Headache ... days/weeks): No symptoms ... #Migraine #Stages
Carbon Monoxide Poisoning

Symptoms are non-specific:
 - Headache 90%
 - Nausea/vomiting 50%
 - Vertigo 50%
 - Altered
Monoxide Poisoning Symptoms ... non-specific: - Headache ... 90% - Nausea/vomiting ... Outdoors improves symptoms ... Treatment: 100%
Emergent Causes of Headache and Associated Risk Factors
Carbon monoxide poisoning
 - Breathing in enclosed or confined
Emergent Causes ... with the same symptoms ... Immunocompromised state ... immunization Temporal arteritis ... redflags #signs #symptoms