Picmonic Flashcards
1st generation Celphalosporins
- Cefazolin 2.Cephalexin 3. Proteus Mirabilis 4. Klebsiella 5. E. coli 6. Gram +
2nd Generation Cephalosporins
- Cefoxitin
- Cefaclor
- Cefuroxime
- Proteus mirabilis, Ecoli, kebsiella, Gram + cocci, Haemophilus influenzae, Neisseria, Serratia, Enterbacter
3rd Generation Cephalosporin
- Cefotaxime
- Ceftriaxone
- Cetazidime
- Serious gram negative bacteria to other beta lactams
4th Generation Cephalosporin
- Increased activity against pseudomonas and gram positives
- Cefepime
Aminoglycosides
- Bactericidal
- Inhibit formation of initiation complex
- Cause misreading of mRNA
- Require O2 for uptake
- Use for gram negative rod infections
- Synergistic with B lactam antibiotics
- Nephrotoxicity especially when used with cephalosporins
- Ototoxicity when used with loop diuretics
- Teratogen
- Gentamicin, Amikacin, Tobramycin, Streptomycin
- Use neomycin for bowl surgery
- Resistance by transferase enzymes bye acetylation, phosphorylation and adenylation
Aminopenicillin Mechanism
- Broader spectrum
- Ampicillin and Amoxicillin
- Beta lactamase sensitive
- Combine with clavulanic acid
- Hypersensitivity reactions
- Ampicillin rash
- Pseudomembranous colitis
Aminopenicillin Uses
- Ampicillin, amoxicillin
- Enterococci
- Listeria
- Haemophilus influenzae
- E coli
- Salmonella
- Proteus mirabilis
Anemia Lab value for Iron Deficiency Anemia
Serum iron decreased
Transferrin increased
Ferritin decreased
% transferrin saturation decreased
Anemia lab values for Pregnancy and OCP use
serum iron normal
transferrin increased
ferritin normal
% transferrin saturation decreased
Anemia lab values for chronic disease anemia
serum iron decreased
transferrin decreased
Ferritin increased
%transferrin saturation normal
Anemia lab values for Hemochromatosis
serum iron increased
transferrin decreased
ferritin increased
% tranferrin saturation increased
Anion Gap metabolic acidosis
* MUDPILES
Methanol
Uremia
Diabetic Ketoacidosis
Paraldehyde
Isoniazid
Iron
Lactic Acid
Ethylene glycol
Salicylate
Antipseudomonal Penicillins
- Mechanism same as penicillin
- Ticarcillin, Carbenicillin, Piperacillin
- Extended spectrum
- Clinical use on antipseudomonas and gram negative rods
- Beta lactamase sensitive
- Use with clavulanic acid
7 Hypersensitivity reactions
Aztreonam
- Monobactam
- Resistant to beta lactamases
- Binds to penicilin binding protein
- Inhibit cell wall synthesis
- No activity on gram positives or anaerobes
- Use on gram negative rods
- Non allergenic to penicillin
- Synergistic with aminoglycodsidases
Beta Lactamase Inhibitors
- Often added to penicillin antiobiotics
- Clavulanic acid
- Sulbactam
- Tazobactam
Cephaloporin MOA and AE
- Beta lactam drug
- Inhibits cell wall synthesis
- Bactercidal
- Hypersensitivity reactions
- Vitamin K deficiency
- Increased nephrotoxicity of aminoglycosides
Chloramphenicol
- Bateriostatic
- Inhibits 50S peptidyltransferase activity
- Menigitis
- Anemia
- Aplastic Anemia
- Gray baby syndrome due to lack of UDP- glucuronyl transferase
- Resistance caused by plasmid encoded acetyltransferase
Clindamycin
- Bacteriostatic
- Binds 50S ribosomal subunit
- Blacks translocation
- Anaerobic infections above teh diaphragm
- Aspiration pneumonia
- Lung abscesses
- Can cause pseudomembranous colitis
Clostridium Difficile
- Gram positive
- Bacilli
- Anaerobe
- Diarrhea
- Clindamycin and ampicillin
- Toxin A enterotoxin
7 Damages brush border of gut
- Toxin B cytotoxin
- Damages cytoskeletal structure
- Pseudomembranous colitis
- Toxic megacolon
- Detect toxins in stool
- Detect toxins in stool
- Vancomycin
Digoxin Mechanism and indication
- Direct inhibition of NA K ATPase
- Indirect inhibition of Na Ca exchanger
- Increase Ca in cell
- Positive inotropy
- CHF
- Stimulate vagus nerve
- Decreased conduction at AV node
- Atrial fibrillation
Digoxin Toxicity
- Cholinergic (nausea, vomiting, diarrhea)
- Blurry yellow green vision
- Bradycardia
- Decreased QT
- Scooping on EKG
- T wave inversion
- Prolonged PR interval
- Arrhythmia
- Hyperkalemia
Ethambutol
- Blocks arabinoysl transferase
- Arabinosyl transferase polymerizes carbohydrates
- Carb polymers make mycobacterium TB cell wall
- Red/ green color blindness
Fluoroquinolones
- Floxacins, ciprofloxacin, moxifloxacin
- Inhibit topoisomerase II enzymes including DNA gyrase
- Bactercidal
- Gram negative rods
- Urinary tract infections
- Pseudomonas
- Neisseria
Foluroguinolones Toxcities
- Diarrhea
- Skin Rash
- Headache
- Damage to cartilage
- Tendon rupture in adults
- Myalgias in kid
- Teratogen