left anterior fascicular blocks
(LAFBs), 68–69
left bundle branch blocks (LBBBs),
68
left posterior fascicular blocks
(LPFBs), 69
left ventricular hypertrophy (LVH),
71–72
leg ulcers, 459
legal issues
accreditation, 918–919
billing, 919
confidentiality, 919–920
consent, 920–924
credentialing, 918–919
Emergency Medical Treatment
and Active Labor Act,
924–926
Health Insurance Portability and
Accountability Act,
919–920
liability, 926–928
licensure, 918
malpractice, 926–928
reporting, 928–929
risk management, 930–931
Legg-Calvé-Perthes syndrome,
295–296
Legionellasp., 503
Lemierre syndrome, 686
lens dislocations, 712–713
leptospirosis, 447–450
Leriche syndrome, 122
levothyroxine, 411
LGV (lymphogranuloma
venereum), 606, 841
Lhermitte phenomenon,
767
liability, 926–928
licensure, 918
Lichtenberg figures, 637
lidocaine, 10, 42, 44
lighted stylets, 15–16
lightning injuries, 638–640
limp, 295–298
lionfish, 621
lipodoses, 267
Lisfranc fractures, 219–220
lithium, 363–364
liver
ascites and spontaneous
bacterial peritonitis, 570
benign liver neoplasms, 573
cirrhosis, 569–570
hepatic abscesses, 571–572
hepatic encephalopathy,
570–571
hepatitis, 565–569
hepatorenal syndrome, 571
toxins causing injury to, 569
transplants, 485
tumors, 572–573
lizard bites, 623–624
LMAs (laryngeal mask airways), 13
Loa loa, 444
local anesthestics, 364–365,
877–878
long arm splints, 889
Lover’s triad, 219
low back pain, 222–223
lower extremity injuries
ankles, 215–218
feet, 218–222
knees and lower legs, 210–215
lower GI bleeding, 540
low-flow priapism, 849
low-molecular-weight heparin,
83, 469–470
Loxosceles reclusa, 619
LP (lumbar puncture), 742–743,
874–875
LPFBs (left posterior fascicular
blocks), 69
LSD (lysergic acid diethylamide),
780
Ludwig’s angina, 682–684
lumbar puncture (LP), 742–743,
874–875
lunate fractures/dislocations,
199–200
lungs
abscesses, 512–513
transplants, 484
luxatio erecta, 207–208
LVH (left ventricular hypertrophy),
71–72
Lyme disease, 226, 438–440, 753
lymphatic filariasis, 444
lymphogranuloma venereum
(LGV), 606, 841
lysergic acid diethylamide (LSD),
780
lysosomal storage disease, 267M
MacIntosh blade, 5
macrocytic anemia, 453
macules, 799
magnesium (Mg2+), 42, 44,
396–398
maintenance fluids, calculating, 54
Maisonneuve fractures, 218
major depression, 783–784
major ring fractures, 173
malaria, 445–446
malignant otitis externa, 662, 754
malignant smallpox, 909–910
malingering, 787–788
Mallampati score, 4mallet finger, 196
Mallory-Weiss tears, 535
malpractice, 926–928
malrotation with volvulus, 268–269
mammalian bites, 615–618
mandible fractures/dislocations,
672–674
manic syndrome, 784
MAOIs (monoamine oxidase
inhibitors), 328–329,
792–794
MAP (mean arterial blood
pressure), 721
marijuana, 650, 654–655, 780
marine animal envenomations,
621–624
massive hemoptysis, 494–495
mastitis, 599, 612
MAT (mutifocal atrial tachycardia),
28
MCL (medial collateral ligament)
injuries, 214
McMurray test, 213
McRobert maneuver, 597
MDMA (3,4-methylenedioxy-N-
methylamphetamine), 780
mean arterial blood pressure
(MAP), 721
measles, 252–254, 286–287,
817–818
mechanical small bowel
obstruction, 545
mechanical ventilation, 18–19
Meckel’s diverticulum, 269, 548
medial collateral ligament (MCL)
injuries, 214
medial epicondylar fractures, 204
medial ligamentous ankle injuries,
215–216
medial meniscus injuries,
214–215
median nerve blocks, 879
mediastinitis, 519–520
medical screening exams (MSEs),
924–925
medium vessel vasculitis, 483
Mees lines, 356–357
Meniere disease, 666
meningitis, 730–733, 739
meningococcal disease,
263–264
meningococcemia, 814
menometrorrhagia, 610
menorrhagia, 610
mental nerve blocks, 879
mercury, 357–358
mescaline, 655, 780
mesenteric ischemia, 581–582
metabolic acidosis, 400–401
metabolic alkalosis, 401