EKG4: ST and Ischemic Patterns, T and U |
ST interval
- concave less ominous than convex
- diffuse ST elevations or depressions = pericarditis
- persistent, look for Qs, could suggest ..:namespace prefix = st1 ns = "urn:schemas-microsoft-com:...
Posted by on Sat, 21 Jun 2008 20:59:00 GMT |
EKG3: QRS |
Q waves
- r/o LBBB because you cannot call a Q as it is a conduction defect
- in general, old infarction
- in general small Qs (~0.04 or one small box) at V5,6 are old septal infarcts
- old inferior i...
Posted by on Sat, 21 Jun 2008 20:57:00 GMT |
EKG2: P waves, atrium, sinus, AV and junctional interpretation |
P waves
- no P waves or multiple P wave morphologies; irregularly irregular = Afib
- 2 different P waves usually ectopic atrial rhythm
- 3 different P wave morphologies characteristic of MAT
- inverte...
Posted by on Sat, 21 Jun 2008 20:54:00 GMT |
EKG1: Introduction to Systematic Review of EKGs |
Check name, date and have an old EKG to compare with, r/o artificial pacer
Note down medications that can affect rate (e.g., beta blockers), intervals (e.g., those that cause Mobitz II or prolonged Q...
Posted by on Sat, 21 Jun 2008 20:51:00 GMT |
ICU4: Systemic Circulation = Ventriclar-Vascular Coupling |
Systemic Circulation: Ventricular-Vascular Coupling
A. Physiologic and pathophysiologic discussion of vascular function..:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />
- durin...
Posted by on Fri, 20 Jun 2008 13:51:00 GMT |
ICU3: Initial Evaluation and Management of Shock |
A. Initial evaluation requires assessing hypoperfusion as a function of flow, governed by pressure and pump function1. Blood pressure. The most relevant initially:- pulse and PP (pulse pressure) ...
Posted by on Fri, 20 Jun 2008 13:48:00 GMT |
ICU2: Nutrition |
Nutrition in the ICUA. When do you feed?- no feeding when on pressors- provide 50-60% calories over 48-72 hours showed no changes in cellular permeability (see below)- after 4 days, gut disuse co...
Posted by on Fri, 20 Jun 2008 13:47:00 GMT |
ICU1: Examples of Resuscitation and Prophylaxis Protocols |
Basic Resuscitation, Ventilation and Prophylactic ProtocolsA. PEEP-resuscitation protocol (volume resuscitation and shunt from airspace flooding)- be aggressive in volume resuscitation with hypovolemi...
Posted by on Fri, 20 Jun 2008 13:44:00 GMT |
