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A concise and practical overview of key concepts and procedures in emergency medicine. It covers a wide range of topics, including management of common emergencies, surgical procedures, and diagnostic techniques. Organized in a clear and concise manner, making it easy to navigate and find the information you need quickly. It is a valuable resource for medical students, residents, and practicing physicians who need a quick reference guide to emergency medicine.
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Management of Large Subungual Hematoma
Drainage (18-Gauge) or Hot Micro-Cauterization
Reason to Avoid Suction in Ear Foreign Body Removal
Perforation of Tympanic Membrane
Management of Skin Abscess
Linear Incision for Non-Face vs. Needle Drainage for Face
Catheter for Bartholin Cyst
Word
Grading of Laryngeal Opening
Cormack-Lehane
Preferred Induction Agent in Reactive Airway Disease for Dilation Effects
Ketamine
Induction Agent Avoided in Sepsis Due To Adrenal Suppression
Etomidate
Sudden-Onset Back Pain Worsened by Coughing Soon After Epidural Anesthesia
Epidural Hematoma
Presentation of Adhesive Arachnoiditis
Progressive Neuropathy
Tom, Dick, and Very Nervous Harry
Anterior to Posterior of Medial Ankle: Tibialis Posterior, Digitorum Longus, Vein, Nerve, Hallucis Longus
Absolute Contra-Indication to Crico-Thyrotomy
Age Under 5
Anesthesia for Suturing D.I.P. of Finger in Patient with Underlying Vascular Disease
Lidocaine (2%) Without Epinephrine Around Digital Nerve for Fingers, Toes, Penis, Nose
Size of Needle Decompression Needle
14 Gauge (2nd Intercostal at Midclavicular Line)
Large Paronychia and Cellulitis
Removal of Affected Nail Under Digital Block; Start Antibiotics
Signs of Acute Appendicitis
Suggested by Abdominal Pain Preceding Nausea and Vomiting
Surgery (Small Bowel Obstruction)
Peak of Gastric Acid Secretion at Rest
2 A.M.
Timing of Presentation of Hypertrophic Pyloric Stenosis (Non-Bilious) vs. Intussusception (Bilious)
4 Weeks vs. 8 Months
Over 95% Sensitive and Specific for Renal Stones
Helical C.T.
Intermittent Left Lower Quadrant Pain (Afebrile), Loose Stools (Non-Bloody); Good Follow-Up
Discharge on High-Fiber Diet (Consider Laxatives and Stool Softeners)
Abdominal Wall Condition in Anti-Coagulated Patient with Trauma or Coughing
Rectus Sheath Hematoma
(1) Age 30.
(2) Prior Abdominal Surgery or Pregnancy.
(3) Marathons.
Risk Factors for Cecal (Cross-Country) Volvulus
Possible Chest X-Ray Finding of Hepatic Abscess
Right-Sided Effusion and Elevated Hemi-Diaphragm
Referred Pain from Ureteral Colic
Inguinal (Ovarian Torsion Does Not Cause Sacral Pain)
Extra-Pyramidal: Restlessness
Beta-Blocker for Akathisia
E.C.G. Finding of Haloperidol Toxicity
Long Q.T.
Illicit Drug Causing Vertical Nystagmus
Phencyclidine (PCP)
Controls Agitation Without Respiratory Depression (Negligible Anticholinergic Side Effects)
Haloperidol (5mg IM q30); B-52 is Benadryl (50 Milligrams), 5 Milligrams of Haloperidol, and 2 Milligrams of Lorazepam
Risk of Protracted Struggle in Restraints
Metabolic Acidosis
Risk of Flumazenil in Chronic Benzodiazepine User
Withdrawal Seizures
Altered Chronic Alcoholic, Non-Gap Metabolic Acidosis
Isopropyl Alcohol
Glucose and Magnesium Recommendations for Altered Alcoholic
Waxing and Waning Global Inability to Relate to Environment and Process Sensory Input (Increased Alertness and Psychomotor Activity)
Delirium
Most Common Dementia
Alzheimer More Common Than Vascular Dementia
Management of Seizures in Eclampsia
Magnesium; Consider Labetalol or Hydralazine for Diastolic Over 110 After Seizure Stops
Relationship Between Alcohol and Seizures
Direct Toxicity vs. Withdrawal vs. Head Injury from Fall
Most Sensitive Bedside Test for Finger Nerve Injury
Two-Point Discrimination
O'Riain Test
Wrinkling of Digit in Warm Water Indicates Intact Nerve
Ottawa Ankle Rules (Any Positive Requires X-Ray) for Pain in Malleolar Zone
Suspected Globe Rupture (Enophthalmos and Leakage of Vitreous Humor)
Broad-Spectrum Antibiotics (Tetanus If Necessary); Visual Acuity Assessment Before Consultation (Avoid Pressure Tonometry)
Trauma; Unilateral Eye Pain with Extra-Ocular Movement, Proptosis, Decreased Visual Acuity
Lateral Canthotomy for Retro-Bulbar Hematoma
Blunt Trauma; Unilateral Epistaxis (Maxillary), Subcutaneous Emphysema, or Anesthesia of Ipsilateral Infra-Orbital Region (V2)
Orbital Blowout Fracture (No Proptosis)
Anterior Chamber Meniscus
Hyphema (Blood) vs. Hypopion (Pus)
Management of Subconjunctival Hemorrhage
Resolves Without Intervention
Gravid Female, Pulseless and Apneic for 2 Minutes; Detectable Fetal Heart Tones
Emergency C-Section (More Viable Than Gravid GSW with Undetectable Fetal Heart Tones)
Elderly Extension Injury; Decreased Bilateral Grip Strength
Steroids and Cervical M.R.I. for Central Cord Syndrome (Contusion from Buckling of Ligamentum Flavum)
Affected by L.X.-L.Y. Herniation
Y
(1) Jefferson Fracture of C1 (Image).
(2) Hangman Fracture of C2.
(3) Flexion Teardrop Fracture.
Stab Wound in 10th Intercostal Space, Absent Breath Sounds; Dyspnea But Hemodynamically-Stable
(1) Chest Tube.
(2) Portable X-Ray.
(3) Abdominal C.T.
Decreased Sensation Over Lateral Palm
Median Nerve Injury from Distal Radius Fracture
Leg Externally-Rotated (And Abducted)
Femoral Neck Fracture (ER = RE)
Leg Internally-Rotated
Posterior Hip Dislocation
Popliteal Pain After Impact on Planted Foot; Pale Cold Foot, No Distal Pulses
Sedate and Reduce Without X-Rays
Eikenella
Aggressive Mouth Flora Requiring Prophylactic Lactam-Lactamase After Human Bite
Definitively Determines Entry and Exit Points
Forensic Specialist (Emergency Department Must Describe Wounds But Never Speculate)
Small Pneumo-Thorax on Chest C.T.; Hemodynamically-Stable
100% Oxygen
Flexion and Compression of Vertebral Body, Resulting in Paralysis and Loss of Pain and Temperature Sensation Below
Anterior Cord from Anterior Spinal Artery Injury (From Anterior Flexion)
Severe Burns of Hands (Or Skull) and Heels; Risk of Cardiac Arrest or Loss of Consciousness
Deep Burns Distinguish Electrical Injury from Lightning
Hepatitis C Medication With Risk of Depression
S.S.R.I. Pretreatment for Interferon Alpha
Psychiatric Risk Associated with Breast Implants
Suicide
Contra-Indicated for Hydro-Carbon (Oil) Ingestions
Gastric Lavage
Belladonna Toxicity
Stigmine (Anti-Cholinesterase) for Anti-Cholinergic Poisoning: Hot (Hades), Blind (Bat), Red (Rose), and Mad (Hatter)
3 Contra-Indications for Activated Charcoal
Mechanism of Q.R.S. Prolongation (And Right Axis Deviation) vs. Sinus Tachycardia from Tri-Cyclic Anti- Depressant
Sodium Channel Blockade vs. Anti-Muscarinic
Management of Benzodiazepine Overdose
Intubate; Risk of Seizures from Flumazenil (Indicated for Iatrogenic Oversedation)
Treatment of Agitation and Sympathetic Tone from Cocaine
Benzodiazepine
A.B.G. 2 Hours After Aspirin Overdose
Slightly Alkalotic (Later Mixed), High Oxygen (Activation of Respiratory Centers)
Toxic Single Dose of Acetaminophen
140 Milligrams Per Kilogram (Over 140 at 4 Hours Requires 140 mg/kg NAC)
Management of Acetaminophen Overdose
Early Charcoal; Rumack-Matthew Nomogram At Least 4 Hours Post-Ingestion
Vomiting, Diarrhea, Fatigue, and Yellow-Green Halos
Digoxin
Mimics Clonidine Toxicity
Opioid Toxicity (Hypotension, Bradycardia, Bradypnea, Miosis)
Vin Rose Urine
Endo-Tracheal Tube Depth (Lip Line)
23 Centimeters for Males (Jordan) and 22 for Females
Populations At Higher Risk for Asthma
Male Children, Female Adults, and African-Americans
10 Millimeter Fall in Systolic Pressure During Inspiration (Pulsus Paradoxus)
Severe Asthma vs. Pericardial Tamponade (External Compression of Heart)
Steroid Route for Asthma Exacerbation
I.V. Steroids
Effect of Mucokinetic Agent (N-Acetylcysteine) on C.O.P.D. Exacerbation
Increases Work of Breathing
Pathogen Coverage Required for Community-Acquired Pneumonia
Co-Infection of Gram-Positive (Streptococcus) and Gram-Negative (Chlamydia) Common
(1) Malignancy.
(2) Alcohol.
(3) Diabetes or Immune Suppression.
(4) Cardiovascular Disease.
(5) Age Over 65.
(6) Sickle Cell.
(7) Splenectomy.
Risk Factors for Streptococcus Pneumonia
Manifestation of Varicella Zoster in Adult Smokers or Pregnant Women (Contrast to Rash in Children)
Pneumonia
Currant Jelly Sputum, Empyema or Abscess
Klebsiella Pneumonia
Chest X-Ray Findings of Food Aspiration
Right Middle Lobe Atelectasis or Right Lung Hyperinflation
Percentage of P.E. Patients with D.V.T. vs. Percentage of D.V.T. Patients with Asymptomatic P.E.
33% vs. 50%
