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Step 2: Cardio7
Cardio 7
| Question | Answer |
|---|---|
| ECG showing various morphologies of QRS complex indicates? | Cardiac tamponade (heart shifting around in sac causes altered QRS) |
| What is the organism that causes myocarditis in S. America? What is the dz called? | Trypanosoma cruzii. Chagas Dz |
| T/F: drug toxicity can cause myocarditis? | True |
| MCC of myocarditis in babies? Definitive Dx is by_____. | Virus. Dx by BIOPSY |
| RHD is caused by ________ infxn. What is actual pathology? | Group A Strept. Antibodies vs this bacteria start attacking heart valves (usually Mitral) |
| What 4 labs are raised in RHD (hint: all are 3-letter acronyms) | WBCs, ESR, C-RP, ASO |
| ECG change in RHD? | increased PR interval |
| What do you give prophylactically for oral surgery in valve damage pt (for RHD prophylaxis)? GI/GU surgery? | oral: amoxicillin. GI/GU: amp+gent before surgery. amoxicillin after surgery |
| What is JONES criteria for (what dz)? What are its components? | For RHD. J<3NES PEACE: Joints, Heart(carditis), Nodules, Erythema Nodosum, Sydenham's chorea. Minor criteria: Previous RHD, ECG (PR increased), Arthralgias, CRP/ESR, Elevated temp. 2maj, 1maj/2min |
| What are the negative-culture endocarditis organsims? | HACEK bacteria. H flu, Actinobacillus, Cardiobacterium, Eikenella, Kingella |
| What is endocarditis? | Bacterial infection of inner lining of heart (may or may not involve valves) |
| precipitating factors of bacterial endocarditis? | congenital heart dz, IVDU, prosthetic valves |
| Prosthetic valves are susceptible to endocarditis by which oragnism? | Staph epidermidis |
| T/F you should give oral ABx for endocarditis? | False. Always IV |
| what ABx used for Strept viridans endocarditis? | IV Pen G, or IV ceftriaxone |
| osler nodes, janeway lesions, splinter hemmorrhage, roths spots. define each. what dz? | osler=nodes on fingertips and toes, janeway= petechiae, splinter= hemm in nail bed, roths= hemm in retina. Found in endocarditis |
| What is pre-HTN range? | 120-139/80-89 |
| What is Rx of a pt with BP >130/80 who has DM, CAD, or Kidney Dz? | Put them on medications. If no other dz, just make lifestyle mods |
| What is the first test you do if renal artery stenosis is suspected? What is the "gold standard" (not usually done first though)? | do MRA of renal arteries. Renal arteriogram is gold standard, but too invasive |
| Renal artery USG can be accompanied with admin of what drug? | captopril |
| Vascular resistance is high in all types of shock except which 2? | neurogenic and septic (vasodilation) |
| HR is low in which shock? | neurogenic |
| PCWP is high after fluid challenge in what shock type? | neurogenic and septic |
| Rx of cardiogenic shock? | Dobutamine or dopamine |
| Rx of septic shock? | NE |
| When is HTN diagnosed? | 3 consecutive >140s or >90d readings |
| First drug in HTN? | Thiazide diuretic |
| Isolated Systolic HTN is found in what population? Cause? Rx? | in elderly d/t rigid arteries. Rx is HCTZ |
| What is more effective for HTN Rx: alcohol reduction or smoking cessation? | alcohol reduction |
| After how much time should you recheck someone who was normotensive before, but is now >140/90 | 2 months |
| what drug is c/i in bilateral renal stenosis? | ACEi's |
| Hyperkalemia is a s/e (and therefore a c/i) of which anti-HTNive? | ACEi's |
| What is the order of anti-HTN drugs given to asthmatic? | HCTZ first (as usual). NEVER give Non-Selective Bblockers (Propranolol, Timolol) |
| What 2 anti-HTN drugs are c/i in DM? | Thiazides (impair Glc tolerance), Bblocker (mask hypoglycemic Sx) |
| Why are Thiazides not given to pregnant females? | You should avoid anything alters blood volume during pregnancy |
| What anti-HTN drug is AWESOME to give to osteoperotic patients? | Thiazides (raises Ca2+ levels) |