24 results
Action potential
a, adrenergic receptor
Heart, glands, smooth muscle
Inactivated:
by #MAO
by #COMT
Capillary
Diffusion into blood (raises NE in blood)
Activates
Inhibits
Adrenal medulla
#L-tyrosine
Varicosities
Epinephrine
Bloodstream
Inactivated
by #MAO by #COMT ... Diffusion into blood (raises ... NE in blood) Activates ... L-dopa #Dopamine #NE ... Norepinephrine (NE
Causes of Altered Mental Status #Diagnosis #EM #IM #AMS #AlteredMentalStatus #Differential #Algorithm #Ddxof
Causes of Altered ... #Differential #Algorithm
Causes of Altered Level of Consciousness GCS < 7 - Differential Diagnosis Algorithm

Brain Involvement - Hemispheric
Causes of Altered ... Differential Diagnosis Algorithm ... Hypothermia • Myxedema Coma ... • Other #Altered ... #Causes
Salicylate Toxicity - Diagnosis and Management

Consider if:
1) Patient is hot and altered
2) You see tachypnea with
Patient is hot and altered ... no respiratory cause ... exposure Symptoms: Nausea ... loss, Dizziness, Altered ... , Seizure, Coma
Causes of Approach to Altered Level of Consciousness - Workup
Clinical Exam - Focal
 • Trauma
 •
Causes of Approach ... to Altered Level ... Encephalitis #Altered ... diagnosis #workup #algorithm ... #Causes
Pathyophysiology - hyperglycemic crises in patients with diabetes 
Key signs/symptoms of HHS/DKA:
Both: Polyuria, polydipsia, weight loss,
hyperglycemic crises ... (days/weeks), altered ... status (lethargy, coma
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Differential Diagnosis Algorithm ... • Drugs* • Coma ... Differential #Diagnosis #Algorithm ... #Causes #Pulmonary
Carbon Monoxide Poisoning

Symptoms are non-specific:
 - Headache 90%
 - Nausea/vomiting 50%
 - Vertigo 50%
 - Altered
Headache 90% - Nausea ... Vertigo 50% - Altered ... 20% Diagnosis — COMA
Hypertension in Pregnancy - Differential Diagnosis Algorithm

Pre-existing Hypertension - Before Pregnancy OR <20 weeks gestational age
Differential Diagnosis Algorithm ... Pre-Eclampsia + Seizures/Coma ... Differential #Diagnosis #Algorithm ... #causes #obstetrics
Primary and Secondary Causes of Hypertension - Differential Diagnosis Algorithm
Primary (Essential) (95%) - Onset between age
and Secondary Causes ... Differential Diagnosis Algorithm ... • White-coat ... Differential #Diagnosis #Algorithm ... #causes