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dr saad Admin
عدد المساهمات : 176 تاريخ التسجيل : 12/12/2010 العمر : 43 الموقع : https://medsurgery.yoo7.com
| موضوع: Cardiovascular diseases الجمعة 01 أبريل 2011, 20:34 | |
| IHD 1- Stable angina. 2- Unstable angina. 3- Prinzmetal's angina. 4- Myocardial Infarction. 5- Heart Failure. MI Acute complications: 1- Heart failure. 2- Arrhythmia. 3- Pericarditis. 4- Hypotension. 5- Valvular heart disease (papillary muscle, ventricular septum). Chronic complications: - Ventricular aneurysm: ST elevation > 6 weeks after MI: Differential: 1- re infarction 2- developed ventricular aneurysm. - Dressler's syndrome: o muscle necrosis antigen antibody reaction autoimmune disease. o shoulder joint pain , serositis. o ttt: steroid. Suspected ventricular aneurysm: 1- ECG > 6 weeks ST elevation. 2- Thromboembolism manifestation ( blood stagnant). 3- Recurrent HF not responding to medication. History: You should include in HPI: * 1-DM. 2- HTN. 3- Hyperlipidemia. 4- Smoking. 5- Family history of IHD. * Chest pain duration > 30 minutes. Examination: 1- Vitals: Blood Pressure: high Blood Pressure in HTN, MI may cause low BP. Pulse: Arrhythmia. Temp.: sometimes increase in MI. 2- Look for: * Heart failure evidence: Increase JVP, 3RD heart sound, basal lung crepitations, ascites, hepatomegaly, lower limb edema. * Valvular heart disease evidence: valve incompetence, VSD…etc. * Pericardial rub on auscultation. 3- Look for underlying disease: - DM complications. - Atherosclerosis. Investigations: 1-ECG: *- type of MI: anterior, posterior, inferior …etc. *- pericarditis. *- arrhythmias: AF, ventricular ectopic, ventricular tachycardia, LBBB, RBBB, 2nd degree heart block, complete heart block. *- evidence of previous ischemia if pt. has previous MI, the new ECG changes will NOT show then do Cardiac Enzymes. 2- Cardiac enzymes: to be raised time of each enzyme is important & common question in exams troponine immediate 30 minutes- 1 hour (earliest to rise + more sensitive). CPK 4 hours + CPK-MB ratio. LDH 72 hours. 3-chest x-ray cardiomegaly, HF: pulmonary edema, pleural effusion. 4- Blood sugar. 5- Lipid profile. 6- PT, PTT (base line). 7- Urea & electrolytes: baseline ttt. or complication. 8- CBC: leukocytosis. Treatment: Typical history of retrosternal chest pain. 1- Chewable aspirin before investigation, will not kill pt. & will benefit + O2. 2- Relief pain: morphine & antiemetic. 3- & start tridine infusion to relief pain, vasodilation. 4- antithrombolytic therapy if no contraindication. After stabilized: Before discharge: 1- Echocardiogram for: (why do we do echo?) * Valvular heart disease. * Ejection fraction abnormality < 50 low. It should be around 50 normal. * Wall motion abnormality hypokinesia: Heart not contract at site of infarction, generalized in cardiomyopathy. 2- (Before not nowadays) submaximal stress ECG. This is to do exercise for 10 minute= submaximal (maximal test is 30 minutes) to see if complications develop: 1- arrhythmia 2-hypotension This was done before to decide if argent angiogram will done or delayed 4-5 weeks. But now all patients i.e. MI. should have angiogram angioplasty dilation or bypass surgery…. The earlier, the better the prognosis. Role of thrombolytic therapy & angiogram: If the time from ER door to angiogram more than 90 minutes, don't waste time give thromolytic therapy. If the time within 90 minutes immediately for angiogram. Home medication: 2ry prevention of MI 4 medication 1- Aspirin 2- B-blocker. 3- ACE Inhibitors. 4- Statin. +/- lasix. Management of MI (briefly for 5th year): 1- Admit patient to the ICU & give O2 oxy-bed rest. 2- Prescribe painkillers. 3- Thrombolytic therapy streptokinase resolve the thrombus 4- angiogram & angioplasty (if possible, in good centers, & good primary care units) 5- discharge on: 4 medications: 1- Aspirin. 2- B-blocker. 3- ACE Inhibtors. 4- Statin. +/- Lasix.
عدل سابقا من قبل dr saad في الجمعة 01 أبريل 2011, 20:54 عدل 2 مرات | |
| | | dr saad Admin
عدد المساهمات : 176 تاريخ التسجيل : 12/12/2010 العمر : 43 الموقع : https://medsurgery.yoo7.com
| موضوع: رد: Cardiovascular diseases الجمعة 01 أبريل 2011, 20:35 | |
| Cardiovascular diseases IHD 1- Stable angina. 2- Unstable angina. 3- Prinzmetal's angina. 4- Myocardial Infarction. 5- Heart Failure. MI Acute complications: 1- Heart failure. 2- Arrhythmia. 3- Pericarditis. 4- Hypotension. 5- Valvular heart disease (papillary muscle, ventricular septum). Chronic complications: - Ventricular aneurysm: ST elevation > 6 weeks after MI: Differential: 1- re infarction 2- developed ventricular aneurysm. - Dressler's syndrome: o muscle necrosis antigen antibody reaction autoimmune disease. o shoulder joint pain , serositis. o ttt: steroid. Suspected ventricular aneurysm: 1- ECG > 6 weeks ST elevation. 2- Thromboembolism manifestation ( blood stagnant). 3- Recurrent HF not responding to medication. History: You should include in HPI: * 1-DM. 2- HTN. 3- Hyperlipidemia. 4- Smoking. 5- Family history of IHD. * Chest pain duration > 30 minutes. Examination: 1- Vitals: Blood Pressure: high Blood Pressure in HTN, MI may cause low BP. Pulse: Arrhythmia. Temp.: sometimes increase in MI. 2- Look for: * Heart failure evidence: Increase JVP, 3RD heart sound, basal lung crepitations, ascites, hepatomegaly, lower limb edema. * Valvular heart disease evidence: valve incompetence, VSD…etc. * Pericardial rub on auscultation. 3- Look for underlying disease: - DM complications. - Atherosclerosis. Investigations: 1-ECG: *- type of MI: anterior, posterior, inferior …etc. *- pericarditis. *- arrhythmias: AF, ventricular ectopic, ventricular tachycardia, LBBB, RBBB, 2nd degree heart block, complete heart block. *- evidence of previous ischemia if pt. has previous MI, the new ECG changes will NOT show then do Cardiac Enzymes. 2- Cardiac enzymes: to be raised time of each enzyme is important & common question in exams troponine immediate 30 minutes- 1 hour (earliest to rise + more sensitive). CPK 4 hours + CPK-MB ratio. LDH 72 hours. 3-chest x-ray cardiomegaly, HF: pulmonary edema, pleural effusion. 4- Blood sugar. 5- Lipid profile. 6- PT, PTT (base line). 7- Urea & electrolytes: baseline ttt. or complication. 8- CBC: leukocytosis. Treatment: Typical history of retrosternal chest pain. 1- Chewable aspirin before investigation, will not kill pt. & will benefit + O2. 2- Relief pain: morphine & antiemetic. 3- & start tridine infusion to relief pain, vasodilation. 4- antithrombolytic therapy if no contraindication. After stabilized: Before discharge: 1- Echocardiogram for: (why do we do echo?) * Valvular heart disease. * Ejection fraction abnormality < 50 low. It should be around 50 normal. * Wall motion abnormality hypokinesia: Heart not contract at site of infarction, generalized in cardiomyopathy. 2- (Before not nowadays) submaximal stress ECG. This is to do exercise for 10 minute= submaximal (maximal test is 30 minutes) to see if complications develop: 1- arrhythmia 2-hypotension This was done before to decide if argent angiogram will done or delayed 4-5 weeks. But now all patients i.e. MI. should have angiogram angioplasty dilation or bypass surgery…. The earlier, the better the prognosis. Role of thrombolytic therapy & angiogram: If the time from ER door to angiogram more than 90 minutes, don't waste time give thromolytic therapy. If the time within 90 minutes immediately for angiogram. Home medication: 2ry prevention of MI 4 medication 1- Aspirin 2- B-blocker. 3- ACE Inhibitors. 4- Statin. +/- lasix. Management of MI (briefly for 5th year): 1- Admit patient to the ICU & give O2 oxy-bed rest. 2- Prescribe painkillers. 3- Thrombolytic therapy streptokinase resolve the thrombus 4- angiogram & angioplasty (if possible, in good centers, & good primary care units) 5- discharge on: 4 medications: 1- Aspirin. 2- B-blocker. 3- ACE Inhibtors. 4- Statin. +/- Lasix. Stable Angina ER. Same History, Examination, Investigation of MI. If NO MI. Sublingual nitroglycerin & 4 drugs: 1- Aspirin. 2- B-blocker. 3- ACE Inhibitors. 4- Statin. Send home 1- Typical angina: have 3 things : a- Site. b- Nature. c- Increased by exertion and decreased by rest. 2- Atypical angina: have got two out three. 3- Non-Anginal chest pain: just one thing. Unstable angina - Same History, Examination, Investigation of MI. - Heart enzymes not rise & evidence of ST segment depression ischemia on ECG. TREATMENT: Tridile infusion & heparin infusion. Start by: 1- Aspirin. 2- B-blocker. 3- ACE Inhibitors. 4- Statin. If the pain does not improve a cardiologist orders an urgent angiogram. Angioplasty& pain control. Prinzmetal's angina Same History, Examination, Investigation of MI. 1- ST elevation. 2- Normal cardiac enzymes. - No risk factors of MI, no DM, no HTN. ttt: put on calcium channel blocker. **BUT** IT SHOULD BE TRATED AS ANGINA unless proven otherwise. ECG no change Q wave for 6 hrs for 24 hrs, then every day. Cardiac enzyme no rise, Q6 hrs. Until angiogram shows normal coronary. ECG differences: [1] Angina: ST depression Cardiac Enzymes Normal [2] Unstable angina: T-wave changes Cardiac Enzymes Normal [3] Prinzmetal's angina: ST elevation due to spasm Cardiac Enzymes Normal [4] MI: ST elevation Cardiac Enzymes elevated MKSforum.net -14- Heart Failure (HF) Dr. Nabeel Eight Causes are preferable to be Heard by any Students when Dr. Nabeel Al-a3ma asks about the causes of HF? 1- Ischemic Heart disease (IHD) which is the commonest. 2- HTN or Hypertensive Heart disease with end Organ damage. 3- Valvular Heart disease…and the commonest cause is Rheumatic heart disease. 4- Cardiomyopathy. 5- Congenital heart disease. 6- Core-pulmonale. 7- Constrictive pericarditis. 8- Heart failure with high cardiac Output... Like in Thyrotoxicosis, anemia…. Also He loves to ask this Question: Patient is known having HF... What are the causes that push him to a failure and to the ER… i.e.: what are the precipitating factors for HF? 1- Infection (pneumonia). 2- P.embolism esp. if he's bedridden. 3- Ongoing Ischemic heart disease…MI. 4- No compliance with medications. 5- Arrhythmia. 6- Taking NSAID. Which cause salt and water retention. 7- Taking ca channel blocker…Negative inotropic agent. 8- High salt intake. 9- Uncontrolled HTN. 10- Hyperdynamic circulation.. Like in anemia... Thyrotoxicosis. History in ER: No History suggestive of IHD. Known case of HF. No History of palpitation. Pt was compliant to his medications. No change in diet. That is important to mention in History, لكن الكلام يصاغ حسب الحالة و المسبب Examination: Same of MI. Look for evidence of – heart failure - arrhythmia - infection -underlying cause. Investigation: like MI Same Q with Dr. Maimoona, but she only mentioned these: This way, the pt got acute HF... 1- IHD. 2- Hyperdynamic circulation anemia, Thyrotoxicosis. 3- Valvular heart disease. 4- HTN. 5- Arrhythmias. 6- Increased salt intake. 7- No compliance to drugs. Management: On admission: 1- Start loop diuretic fursemide 40 mg TID. 2- Start spironolactone 25 mg take 3 days to work in HF, nephrotic $, liver failure low kidney perfusion activate renineangiotensin system. Spironolactone will block it so no Na/H2O retention & not used as K sparing. + 4 drugs: (1) Aspirin. (2) B-blocker. (3) ACEI. (4) Statin. Note: moderate/sever HF do not give B-blocker. If echo show ejection fraction below 25% you have to give anticoagulant. Restrictive Cardiomyopathy Infiltration of myocardium: TB, hemochromatosis, amyloidosis. ttt: treat underlying cause. Hypertrophic Cardiomyopathy ttt: B-blocker & - Amiodarone. Dilated Cardiomyopathy As heart failure. - Diuretic 4 drugs: 1- Aspirin. 2- B-blocker. 3- ACEI. 4- Statin. - anticoagulants Causes: 1- Ischemic. 2- Alcoholic. 3- Thiamin deficiency.
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| | | dr saad Admin
عدد المساهمات : 176 تاريخ التسجيل : 12/12/2010 العمر : 43 الموقع : https://medsurgery.yoo7.com
| موضوع: رد: Cardiovascular diseases الجمعة 01 أبريل 2011, 20:35 | |
| Rheumatic Heart Disease RHD Session with Dr. Maimoona 2006 (1) Major: - Carditis - Arthritis - Erythema marginatum - Chorea - Subcutaneous nodules (2) minor: History of tonsillitis Fever Raised C-reactive protein Raised ESR Arthralgia * ask about: rheumatism, recurrent tonsillitis, IV Penicillin monthly, long bed rest … [1] Carditis: if all 3 layers are involved Heart Failure Tachycardia [2] Chorea: Sydenham’s chorea (abnormal movement) [3] Arthritis: fleeting arthritis: redness, hotness improvement But before cure involvement of another joint [4] Erythema marginatum: rash w/ very clear margins Investigations: - CBC show leukocytosis - Streptococcal antibody tests - blood culture & throat culture looking for group A streptococcal infection - ESR & C-reactive protein high - ECG PR interval prolongation - Echocardiography establishing cordites - Synovial fluid analysis elevated white blood cell count with no crystals or organisms - X-ray cardiomegaly or evidence of heart failure - X-ray of joints only when there is mono joint involvement [] Complications of rheumatic fever: 1- Valvular Heart Disease: (1) Mitral (2) Aortic (3) Tricuspid (4) Pulmonary Infective endocarditis most important Infective endocarditis multisystem disease Renal failure, heart failure, jaundice, brain involvement (Multiorgan failure) 2- Heart failure 3- Arrhythmias 4- Thromboembolic manifestations Treatment - Bed rest - High dose aspirin. The nonsteroidal anti-inflammatory drug (NSAID) naproxen has also been studied. It is effective and may be easier to use than aspirin. - Penicillin then long term to patient with persistent cardiac damage - Heart failure may require digitalis - Haloperidol may be helpful in controlling chorea. Hypertension (HTN) Session with Dr. Maimoona 1424 H 95% essential HTN 5% R: Renal: - Polycystic Kidney Disease - CRF - GlumeruloNephritis - Renal Artery Stenosis - Renal Cell Carcinoma E: Endocrine: - Cushing's - Pheochromocytoma - Acromegaly - Thyrotoxicosis - Conn's - Carcinoid tumor - Hyperparathyroidism - Primary hypothyroidism - Congenital adrenal hyperplasia C: - Corticosteroids - Contraceptive pills - Clonidine withdrawal - Coarctation of aorta A: - Arteritis (eg. Takaiaso) - Alcohol P: - Pregnancy - Polycythemia rubra vera (PRV) D: Drugs: - NSAIDs - Sympathomimitics * Refractory "Resistant" HTN: 3 anti-HTN medications with maximum dose. One of them is Diuretic for 3 months Examination: • Inspection: - Acromegaly - Cushing - Thyroid • Palpations: - Renal "for polycystic" - Radio femoral artery "Coarctation" مھم • auscultation: Renal bruit for tumor, renal aneurysm • Then look for an end organ damage • Heart "apex beat" • Eye for papilloedema Investigations: in all patients with HTN (1) U & E: К+ - Conn's - Pheochromocytoma - Cushing К+ CRF (2) Blood glucose hyperglycemia DM (3) Urinalysis (Active sediments): - RBC cast - Haematuria - Proteinuria (4) Lipid profile atherosclerosis (5) CXR - Cardiomegaly - Coarctation of aorta (6) ECG Left ventricular hypertrophy (7) Echo Left ventricular hypertrophy ------------------ Serum urea & Creatinine: RF Serum uric acid before ttt with diuretics: If the patient has hyperuricemia diuretic therapy is contraindicated Cushing: Overnight suppression test Or 24 hrs urine cortisone If you're suspecting it's secondary to a Connective Tissue disease screening must be made. Main diagnosis for renal artery stenosis: (The most common cause of HTN in young patient) 1- Doppler US 2- INP = delayed uptake 3- Captopril renogram 4- Angiogram Pheochromocytoma: Investigation: Chatecholamines either in urine or blood CT for the abdomen localize the tumor If not localized, do adrenal venous sampling to localize GENE RAL Vasodilators Β-blocker diuretic Treatment: step one management - IHD: ACE inhibitor &/or B-Blocker - DM: Diltiazam – verapamil Never use Dihydro__?_____ in HTN & DM patient, because they worsen proteinuria: - Amlodipin - Nifidipin HTN Emergency: HTN + Brain Hemorrhage don't lower the Blood Pressure rapidly HTN + HF lower the Blood Pressure ناقص α-methyl dopa poor or pregnant ACE inhibitors Β-blockers Hydralazine Thiazide Atrial fibrillation (AF) Definition: It's totally chaotic atrial activity caused by simultaneous discharge of multi atria foci. Causes: A- Cardiovascular : 1- HTN. 2- IHD (including acute MI). 3- Valvular heart disease esp. Rheumatic "Ms, MR, AS, AR". 4- VSD. 5- Cardiac surgery. 6- Inflammatory heart disease "pericarditis, myocarditis". 7- Cardiomyopathy. 8- Left atrial myxoma. 9- Sick sinus syndrome "tachy-Brady syndrome". 10- WPW syndrome (wolf Parkinson white). B- Endocrinological causes: 1- Thyrotoxicosis. 2- Pheochromocytoma. C- Pulmonary causes: 1- P.E. 2- Pneumonia. 3- COPD 4- Co poising. 5- Ca of the Bronchus. D- Drugs: 1- Acute or chronic alcohol. 2- Theophylline toxicity. E - Idiopathic: Lone AF in which no cardiac cause can be identified, no DM, no HTN and no CAD. Symptoms of AF: 1- Asymptomatic. 2- Symptoms vary from Palpitation and SOB and aggravating of HF. 3- Embolization symptoms. Investigation: 1- Thyroid function test. 2- ECG absence P wave + Irregular R-R interval more than 100. 3- U and E if hypo K don’t give digoxin because it will lead also to arrhythmias. 4- PT and PTT. 5- Cardiac enzymes. 6- CXR p. edema. 7- Echo so in here we're doing: A- Assess etiology and recurrence of: 1- Cardiac chamber size and function i.e.: left atrium. 2- Valvular function. 3- The pericardium. 4- The myocardium. B- Identification of patient at high risk of thromboembolism complication of AF. Management of AF: 1- Treat the cause. 2- How to Control Ventricular rate ( VR)? 3- How to convert to sinus rhythm? 4- How to maintain sinus rhythm? 5- When and How to use anticoagulant and antiplatlets? Types of AF: 1- Isolated one “single". 2- Paroxysmal don't give digoxin. 3- Sustained one chronic. So the Management: If the Patient is not stable Do DC cardioversion. If stable follow that previously mentioned points. So, 1- Treat the cause. 2- Control Ventricular rate By A-V node blocking Drugs: A- Digoxin: - Loading dose: 0.25 - 0.5 mg/30mints IV. - Maintenance: 0.125 - 0.25 mg/6h. - Contraindication of Digoxin: 1- HOCM. 2- WPW so in here use procainamide. 3- Narrow QRS atrial tachycardia. - Digoxin dose: in Normal Patient: 0.25 mg, and in renal disease: 0.06 - 0.125 mg. B- B-Blocker: Usually given with Ca channel blocker because more rapid control. But digoxin is more preferable in the setting of LVF or HF. So, propranolol 0.5 mg IV followed by IV bolus 1 mg every 5 mints till …??? The contraindication of B-blocker is: Asthma, Dm and HF. C- Ca Channel blocker: Verampil 5 – 10 mg bolus / 10 mints. If you want to give verampil + digoxin decrease digoxin dose. 3- Convert to Sinus Rhythm: Indicated when VR is more than 140 B/m. The drugs used in here: - Class 1a: Quinidine - procainamide. - Class 1c: Flecainide - propafenone - Class 3: Amiodarone So the preparation: 1- Start Quinidine at least 24 h before to help maintain NSR once it's achieved. 2- Hold Digoxin and check its serum level. 3- Anticoagulant 3 weeks before and after if there's thrombus shown in echo. Indications for anticoagulation: Clinically and ECG: Clinically: 1- Previous MI or Stroke. 2- HTM +/- Dm. 3- Previous MI. 4- Thyrotoxicosis in here, decrease the Warfarin dose because of increased clearance of vitamin K in Hyperthyroidism. EchoCardioGraphically: 1- Large Left atrium or Left atrium dysfunction. 2- Large Left Ventricle. 3- Left Ventricle aneurysm. 4- Intracardiac Thrombus. Complications of cardioversion: 1- Ventricular fibrillation. 2- Thromboembolism. 3- MI damage due to the Current. 4- Erythema on the chest wall. Risk of Systemic Embolization with AF is divided to: - High: when Mitral valve disease seen: previous Mi or stroke. - Intermediate: age more than 65 or RF. - Low risk: age less than 65. 4- Maintenance of sinus rhythm is better with: 1- Left atrium less than 60 mm. 2- Absence of mitral valve dis. 3- Short AF. 4- Conversion with drug only. Please see the classes of anti-arrhythmic drugs.
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| | | dr saad Admin
عدد المساهمات : 176 تاريخ التسجيل : 12/12/2010 العمر : 43 الموقع : https://medsurgery.yoo7.com
| موضوع: رد: Cardiovascular diseases الجمعة 01 أبريل 2011, 20:36 | |
| Respiratory diseases Management of asthma in ER HISTORY: mainly history of the etiology of the disease. [1] Drugs 1. B-blockers o Propranolol o Atenolol o metoprolol 2. NSAID o ASPIRIN (acetylsalicylic acid) o VOLTARINNE (DICLOFENAc) [2] CHEST INFECTION [3] Irritants animals + dust + fumes + house dust mite [4] Newly changed furniture + painting [5] Exercise [6] Occupation EXAMINATION: 1- Vital signs a- Pulse tachycardia, arrhythmias b- Blood pressure, palsus paradoxes c- Tachypnea d- Temperature increase infection 2- General examination a- Tremor b- Cyanosis c- Accessory muscles 3- Signs of Pneumothorax You fail if you don't mention them!! 4- Severity of asthma (1) Signs of infection (2) Signs of status asthmaticus 1- Silent chest 2- Drowsiness 3- Cyanosis 4- Tachycardia > 120 5- Pulsus paradoxus INVESTIGATIONS: {FOR ALL ASTHMATICS} 1- CBC LEUCKOCYTOSIS + EOSONEPHILIA 2- ABG 3- U+E a- Hyperventilation dehydration b- β2-agonist c- Theophyllin d- Sputum + steroid 4-CXR INFECTION, PNEUMOTHOARX 5-ECG ARRHYTHMIA + hypertrophy 6-Pulmonary function test 7-Peak flow meter drop inonter base …… 8-Sputum culture 9-Positive skin Note: Mg, Ca, and Ph are not part of U-E MANAGEMENT: 1- Bed rest 2- Oxygen according to blood gases (1) DecreaseO2+decrease CO2 (2) DecreaseO2+normal CO2 (3) DecreaseO2+IncreaseCO2 3- I.V FLUID 4- KCL DECREASE K 5- Pharmacological medications (1) Bronchodilator a- B2 agonist b- Nabulizar c- Salbutamol - terbutaline SlE: TACHYCARDIA FOR 24hours / hourly d- Anti-cholenergic drugs Ventolin/atrovent Ibratropum promide Decrease mucus secretion f- I.V Theophyllin "narrow therapeutic index" bronchodilator increases contractility and diaphragm {A} IF PATIENT RECEIVES ORAL THIOPHYLIN AT HOME MANTINANCE DOSE SHOULD BE STARTED IMMEDIATILY {B} IF PATIENT DOES NOT TAKE THIOPHYLIN AT HOME BOLUES 5-6 Mg/kg/30 min Maintenance 0.2-0.6 mg/kg/hour IF AFTER 4 HOURS THE PATIENT DOES NOT IMPROVE MECHANICAL VENTILATION (2) +/- Antibiotics: If there are sought of infection mainly H.influenza + streptococci We USE AMPICILLIN G (positive) OR G (negative) (3) Anti inflammatory Hydrocortisone 100-200mg/4hours for 24 hours (IV) Then prednisone 60mg/orally daily for 2 weeks Discharge on B-agonist in halor +steroid inhalor Present to the CLINIC History: exercise tolerance decrease and change color of sputum Investigation PEAK Flow meter COPD The management of COPD is the same as that of bronchial asthma EXCEPT the concentration of O2 to be delivered to the patient. In patient with COPD chronic hypercapnia chronic stimulation of respiratory center, so, when you admit the patient you must increase the conc. Of O2 YOU should wash out the remnant of hypoxemia which stimulates the drive for ventilation worsening hypercapnia Note: A PATIENT WITH HYPERCAPNIA CHRONIC COPD SHULD RECEIVE LOW CONCENTRATION OF O2 (24-28%) THEN ADJUST ACCORDING TO "ABG" ASTHMA NO CHRONIC HYPERCAPNIA SAFE TO GIVE INCREASE CONCONCENTRATION OF O2 (60%) SIGNS OF SEVERE ASTHMA "STATUES ASTHMATUCUS" 1- Patients are unable to speak (cannot give history), inability to complete sentences 2- Silent chest 3- Pulses paradoxus 4- Tachycardia 5- Pulse>120 6- Use of accessory muscles of respiratory 7- R.R >33 8- Drowsiness - exhaustion 9- Cyanosis COMPLICATION: 1- DEHYDRATION 2- EXHAUSTION 3- PNUMOTHORAX 4- RESPIRATORY FAILUER Respiratory failure ** Influence on respiratory center Hypercapnia = P CO2 > 6 kPa = > ~ 5 mmHg Stimulation Depression (1) Voluntary → over breathing. (2) Upper brainstem lesion. (3) Input from receptors (pain, muscles, and joints, pulmonary). (4) Pyrexia. (5) ↑ PaCO2 (6) ↓ Pa O2 (7) ↑ Arterial H+ concentration. (1) Voluntary → hold breathing (2) Brainstem lesion. (3) Hyperthermia (4) Sedative Drugs opiates Benzodiazepin (1) Hypoventilation = Depression in Respiratory center in medulla (2) Ventilation- perfusion mismatching = COPD Acute Chronic PaO2 ↓ Pa CO2 ↑ HCO3 ↔ PaO2 ↓ PaCO2 ↑ HCO3 ↑ ** Respiratory Failure: A disorder of the lungs where the lungs don’t function accordingly to match the metabolic requirements. Type 1 (hypoxia & hypo or normal CO2) Type 2 (hypoxia & hypercapnia) ***Asthma (severe) **Emphysema PE Lung fibrosis P. edema R → L shunt ARDS Anemia Pneumothorax Pneumonia Acute Chronic Pa O2 ↓↓ Pa CO2 ↓ or ↔ HCO3 ↔ Pa O2 ↓ Pa CO2 ↔ HCO3 ↔ Severe acute asthma (life threatening) * COPD Respiratory muscle paralysis * Chest wall ds (Kyphoscoliosis) + fractured rib + intercostals ms tear. Brainstem lesion = CNS depression * Ankylosing Spondylitis (Narcotic drugs) Other Causes of Type 1 Failure: Extrinsic allergic alveolitis. Interstitial fibrosing alveolitis. Other Causes of Type 2 Failure: Neuromuscular disease ( gullain barre syndrome ) Pulmonary Embolism Inhaled foreign body Pneumothorax Retention of secretion ☺ Refer to the Oxford hand book of Medicine Complication of type 2 Respiratory Failure: Cardiac Arrythmias. GIT hemorrhage Pneumothorax Bronchial Obstruction. LVF Pulmonary Embolism Convulsion. Management of Type 1 Respiratory Failure: High flow O2 Maintain adequate O2 and O2 Saturation > 90 % Mechanical ventilation Avoid O2 toxicity PO2 > 55 mmHg Control underlying problem (pneumonia, infection, sepsis, pancreatitis) ☻YOU should know the indication for CAOT (chronic ambulatory oxygen therapy) Management of Type 2 Respiratory Failure: (1) Oxygen supply ( venture mask ) Start with 1 liter/min = 24% 2 liter/min = 28% 3 liter/min = 35% 4 liter/min = 40% 5 liter/min = 50% ** then titrate the requirement according to ABG ** Provide O2 to keep the O2 saturation >90% but < 93% without inducing marked hypercapnia ***************** (2) Treat underlying causes: *Antibiotic in case of infection/pneumonia *Bronchodilator in case of COPD/ Asthma *Anticholenergic in case of COPD/Asthma *Corticosteroid in case of severe bronchospasm ***************** (3) Theophyllin ( improve muscle contraction * Diuretics LVF * Chest physiotherapy * Hydration & mucolytic (Danse) ****************** (4) Mechanical Ventilation • Failure to provide adequate oxygenation without marked hypercapnia. • Decrease level of conconcentaration • Failure of Respiratory stimulant.
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